[3] Name on the Register Image Date listed [4] Location City or town Description 1 Edward G. Acheson House Edward G. Acheson House May 11, 1976 (# 76001679 ) 908 Main Street 40°12′19″N 79°55′59″W / 40.205278°N 79.933056°W / 40.205278; -79.933056 (Edward G. Acheson House ) Monongahela 2 Administration Building, Washington and Jefferson College Administration Building, Washington and Jefferson College August 16, 1977 (# 77001199 ) Washington & Jefferson College campus 40°10′13″N 80°14′28″W / 40.170361°N 80.241111°W / 40.170361; -80.241111 (Administration Building, Washington and Jefferson College ) Washington 3 Bailey Covered Bridge Bailey Covered Bridge June 22, 1979 (# 79002355 ) Bailey Road spanning Ten Mile Creek, southeast of Prosperity 40°01′14″N 80°11′45″W / 40.020556°N 80.195833°W / 40.020556; -80.195833 (Bailey Covered Bridge ) Amwell Township 4 Beallsville Historic District Beallsville Historic District October 24, 1996 (# 96001205 ) Roughly, Main Street, Chestnut Alley, and South Alley between West Alley and Oak Alley 40°03′54″N 80°01′23″W / 40.065°N 80.023056°W / 40.065; -80.023056 (Beallsville Historic District ) Beallsville 5 Bethel African Methodist Episcopal Church of Monongahela City Bethel African Methodist Episcopal Church of Monongahela City November 7, 2002 (# 02001298 ) Junction of 7th and Main Streets 40°12′19″N 79°55′52″W / 40.205278°N 79.931°W / 40.205278; -79.931 (Bethel African Methodist Episcopal Church of Monongahela City ) Monongahela 6 David Bradford House David Bradford House July 16, 1973 (# 73001668 ) 175 South Main Street 40°10′05″N 80°14′42″W / 40.168056°N 80.245°W / 40.168056; -80.245 (David Bradford House ) Washington 7 Samuel Brownlee House Samuel Brownlee House November 7, 1976 (# 76001678 ) North of Eighty-Four on Pennsylvania Route 519 40°12′24″N 80°07′41″W / 40.206667°N 80.128056°W / 40.206667; -80.128056 (Samuel Brownlee House ) North Strabane Township 8 Scott Brownlee Covered Bridge Scott Brownlee Covered Bridge June 22, 1979 (# 79002360 ) Off Pennsylvania Route 231 40°02′38″N 80°23′53″W / 40.043889°N 80.398056°W / 40.043889; -80.398056 (Scott Brownlee Covered Bridge ) East Finley Township 9 Brownsville Bridge Brownsville Bridge June 22, 1988 (# 88000834 ) State Route 4025 over the Monongahela River 40°01′20″N 79°53′26″W / 40.022222°N 79.890556°W / 40.022222; -79.890556 (Brownsville Bridge ) West Brownsville Extends into Fayette County 10 Caldwell Tavern Caldwell Tavern February 16, 1996 (# 96000087 ) Junction of U.S. Route 40 and Township Route 474, northeast of Claysville 40°08′21″N 80°21′36″W / 40.139167°N 80.36°W / 40.139167; -80.36 (Caldwell Tavern ) Buffalo Township 11 Canonsburg Armory Canonsburg Armory December 22, 1989 (# 89002070 ) West College Street and North Central Avenue 40°15′37″N 80°11′14″W / 40.260353°N 80.187356°W / 40.260353; -80.187356 (Canonsburg Armory ) Canonsburg 12 Cement City Historic District Cement City Historic District February 16, 1996 (# 96000023 ) Roughly Chestnut and Walnut Streets from Modisette Avenue to Bertha Avenue and along Ida and Bertha Streets 40°10′15″N 79°51′56″W / 40.170833°N 79.865556°W / 40.170833; -79.865556 (Cement City Historic District ) Donora 13 Centerville Historic District Centerville Historic District October 24, 1996 (# 96001208 ) Roughly Old National Pike from Linton Road to its junction with Pennsylvania Route 481 40°02′42″N 79°58′35″W / 40.045°N 79.976389°W / 40.045; -79.976389 (Centerville Historic District ) Centerville 14 Charleroi Historic District Charleroi Historic District November 9, 2007 (# 07001162 ) Roughly bounded by 1st and 13th Streets, Oakland Avenue, and the former Pennsylvania Railroad tracks 40°08′N 79°54′W / 40.14°N 79.9°W / 40.14; -79.9 (Charleroi Historic District ) Charleroi 15 Charleroi-Monessen Bridge Charleroi-Monessen Bridge June 22, 1988 (# 88000812 ) State Route 2018 over the Monongahela River 40°09′06″N 79°54′15″W / 40.151667°N 79.904167°W / 40.151667; -79.904167 (Charleroi-Monessen Bridge ) North Charleroi Extends into Monessen in Westmoreland County 16 Crawford Covered Bridge Crawford Covered Bridge June 22, 1979 (# 79002361 ) Crawford Road spanning Robinson Fork Wheeling Creek [5] 39°59′56″N 80°28′21″W / 39.9989°N 80.4725°W / 39.9989; -80.4725 (Crawford Covered Bridge ) West Finley Township 17 Dager-Wonsettler Farmstead Dager-Wonsettler Farmstead November 21, 2003 (# 03001192 ) 1044 National Park, 0.5 miles (0.80 km) northwest of the junction of Pennsylvania Route 519 and U.S. Route 40 40°07′49″N 80°08′51″W / 40.130278°N 80.1475°W / 40.130278; -80.1475 (Dager-Wonsettler Farmstead ) Amwell Township 18 Danley Covered Bridge Danley Covered Bridge June 22, 1979 (# 79002362 ) Dogwood Hill Road spanning Robinson Fork Wheeling Creek [5] 40°03′18″N 80°26′22″W / 40.055°N 80.4394°W / 40.055; -80.4394 (Danley Covered Bridge ) West Finley Township 19 Horn Davis Overholtzer Bridge Horn Davis Overholtzer Bridge June 22, 1979 (# 79002354 ) Spanning Ten Mile Creek southeast of Fairfield 40°00′29″N 80°03′45″W / 40.008056°N 80.0625°W / 40.008056; -80.0625 (Horn Davis Overholtzer Bridge ) West Bethlehem Township The bridge collapsed in 1994. It extended into Morgan Township in Greene County 20 Day Covered Bridge Day Covered Bridge June 22, 1979 (# 79002356 ) Covered Bridge Road spanning Short Creek, south of Prosperity [5] 40°01′46″N 80°17′35″W / 40.0294°N 80.2931°W / 40.0294; -80.2931 (Day Covered Bridge ) Morris Township 21 Margaret Derrow House Margaret Derrow House November 5, 1974 (# 74001808 ) West Main Street, west of the Claysville borough limits 40°06′56″N 80°24′59″W / 40.115556°N 80.416389°W / 40.115556; -80.416389 (Margaret Derrow House ) Donegal Township 22 Devil's Den, McClurg Covered Bridge Devil's Den, McClurg Covered Bridge June 22, 1979 (# 79003828 ) Hanover Township park 40°25′29″N 80°26′48″W / 40.424589°N 80.446531°W / 40.424589; -80.446531 (Devil's Den, McClurg Covered Bridge ) Hanover Township Moved from original location along King's Creek to Hanover Township park in 1987 [5] 23 Doak-Little House Doak-Little House April 15, 1996 (# 96001211 ) U.S. Route 40 0.5 miles (0.80 km) west of South Strabane 40°08′34″N 80°10′26″W / 40.142778°N 80.173889°W / 40.142778; -80.173889 (Doak-Little House ) South Strabane Township 24 Joseph Dorsey House Joseph Dorsey House November 19, 1974 (# 74001814 ) 113 Cherry Avenue, west of West Brownsville 40°01′14″N 79°55′24″W / 40.020556°N 79.923333°W / 40.020556; -79.923333 (Joseph Dorsey House ) Centerville 25 Dusmal House Dusmal House February 24, 1975 (# 75001675 ) East of Gastonville off Gilmore Road 40°15′10″N 79°57′55″W / 40.252778°N 79.965278°W / 40.252778; -79.965278 (Dusmal House ) Union Township 26 East Washington Historic District East Washington Historic District November 15, 1984 (# 84000547 ) Roughly bounded by North, East, and Wade Avenues and Wheeling, Beau, and Chestnut Streets 40°10′18″N 80°14′04″W / 40.171667°N 80.234444°W / 40.171667; -80.234444 (East Washington Historic District ) East Washington 27 Ebenezer Covered Bridge Ebenezer Covered Bridge June 22, 1979 (# 79003829 ) Mingo Creek County Park spanning Mingo Creek [5] 40°11′28″N 80°02′28″W / 40.1911°N 80.0411°W / 40.1911; -80.0411 (Ebenezer Covered Bridge ) Nottingham Township Moved from original location spanning South Fork Maple Creek at Ginger Hill in 1977 [5] 28 Erskine Covered Bridge Erskine Covered Bridge June 22, 1979 (# 79002359 ) Erskine Road spanning Middle Wheeling Creek, south of West Alexander [5] 40°03′59″N 80°30′59″W / 40.0664°N 80.5164°W / 40.0664; -80.5164 (Erskine Covered Bridge ) West Finley Township 29 First National Bank of Charleroi First National Bank of Charleroi February 7, 2007 (# 07000032 ) 210 Fifth Street 40°08′25″N 79°53′52″W / 40.140278°N 79.897778°W / 40.140278; -79.897778 (First National Bank of Charleroi ) Charleroi 30 Molly Fleming House Molly Fleming House May 30, 1997 (# 97000519 ) 616 Wood Street 40°03′48″N 79°53′28″W / 40.063333°N 79.891042°W / 40.063333; -79.891042 (Molly Fleming House ) California 31 Philip Friend House Philip Friend House November 12, 1998 (# 98001371 ) 105 Little Daniels Run Road 40°04′14″N 80°07′31″W / 40.070556°N 80.125278°W / 40.070556; -80.125278 (Philip Friend House ) North Bethlehem Township 32 Harrison House Harrison House December 30, 1974 (# 74001807 ) Old Route 40 40°02′19″N 79°57′12″W / 40.038611°N 79.953333°W / 40.038611; -79.953333 (Harrison House ) Centerville The house no longer exists 33 Hawthorne School Hawthorne School May 8, 1986 (# 86001028 ) Hawthorne and Bluff Streets 40°15′38″N 80°11′47″W / 40.260453°N 80.196389°W / 40.260453; -80.196389 (Hawthorne School ) Canonsburg 34 Henry Covered Bridge Henry Covered Bridge June 22, 1979 (# 79002353 ) Mansion Hill Road spanning Mingo Creek, west of Monongahela [5] 40°12′08″N 80°01′01″W / 40.2022°N 80.0169°W / 40.2022; -80.0169 (Henry Covered Bridge ) Nottingham Township 35 Hill's Tavern Hill's Tavern November 19, 1974 (# 74001811 ) U.S. Route 40 in Scenery Hill 40°05′08″N 80°04′11″W / 40.085556°N 80.069722°W / 40.085556; -80.069722 (Hill's Tavern ) North Bethlehem Township Heavily damaged by fire on August 17–18, 2015, interior gutted. [6] 36 Huffman Distillery and Chopping Mill Huffman Distillery and Chopping Mill November 12, 1992 (# 92001499 ) Caldwell Road, 2 miles (3.2 km) north of the junction with Pennsylvania Route 917 , north of Cokeburg 40°07′21″N 80°03′59″W / 40.1225°N 80.066389°W / 40.1225; -80.066389 (Huffman Distillery and Chopping Mill ) Somerset Township 37 Hughes Covered Bridge Hughes Covered Bridge June 22, 1979 (# 79002357 ) Spans Ten Mile Creek, southeast of Prosperity 40°01′59″N 80°09′37″W / 40.033056°N 80.160278°W / 40.033056; -80.160278 (Hughes Covered Bridge ) Amwell Township 38 Jackson's Mill Covered Bridge Jackson's Mill Covered Bridge June 22, 1979 (# 79003830 ) Kings Creek Road spanning Kings Creek, northwest of Burgettstown [5] 40°25′26″N 80°29′21″W / 40.4239°N 80.4892°W / 40.4239; -80.4892 (Jackson's Mill Covered Bridge ) Hanover Township 39 Jennings-Gallagher House Jennings-Gallagher House March 28, 1996 (# 96000318 ) 429 Wood Street 40°03′52″N 79°53′26″W / 40.064444°N 79.890556°W / 40.064444; -79.890556 (Jennings-Gallagher House ) California 40 Kinder's Mill Kinder's Mill October 16, 1986 (# 86002888 ) State Route 2011 at Piper Road 40°01′51″N 80°03′18″W / 40.030833°N 80.055°W / 40.030833; -80.055 (Kinder's Mill ) Deemston 41 Krepps Covered Bridge Krepps Covered Bridge June 22, 1979 (# 79002352 ) Covered Bridge Road, southeast of Cherry Valley and southwest of Midway [5] 40°20′26″N 80°19′53″W / 40.3406°N 80.3314°W / 40.3406; -80.3314 (Krepps Covered Bridge ) Mount Pleasant Township 42 Leatherman Covered Bridge Leatherman Covered Bridge June 22, 1979 (# 79002351 ) Leatherman Bridge Road, north of Cokeburg 40°06′33″N 80°04′18″W / 40.109236°N 80.071667°W / 40.109236; -80.071667 (Leatherman Covered Bridge ) North Bethlehem Township 43 LeMoyne Crematory LeMoyne Crematory February 16, 1996 (# 96000078 ) Northwestern corner of the junction of Redstone Road and Elm Street, southeast of Washington 40°09′38″N 80°14′16″W / 40.160556°N 80.237778°W / 40.160556; -80.237778 (LeMoyne Crematory ) North Franklin Township 44 F. Julius LeMoyne House F. Julius LeMoyne House September 25, 1997 (# 97001271 ) 49 East Maiden Street 40°10′05″N 80°14′36″W / 40.168056°N 80.243333°W / 40.168056; -80.243333 (F. Julius LeMoyne House ) Washington 45 Moses Little Tavern Moses Little Tavern February 16, 1996 (# 96000088 ) 438 East National Pike, southeast of Laboratory 40°08′58″N 80°11′19″W / 40.149444°N 80.188611°W / 40.149444; -80.188611 (Moses Little Tavern ) Amwell Township 46 David Longwell House David Longwell House August 2, 1993 (# 93000718 ) 711 West Main Street 40°12′19″N 79°55′53″W / 40.205278°N 79.931389°W / 40.205278; -79.931389 (David Longwell House ) Monongahela 47 Lyle Covered Bridge Lyle Covered Bridge June 22, 1979 (# 79003831 ) Kramer Road spanning Brush Run, north of Raccoon 40°27′15″N 80°22′32″W / 40.454239°N 80.375514°W / 40.454239; -80.375514 (Lyle Covered Bridge ) Hanover Township 48 Malden Inn Malden Inn January 24, 1974 (# 74001805 ) West of Blainsburg on U.S. Route 40 40°02′15″N 79°55′50″W / 40.0375°N 79.930556°W / 40.0375; -79.930556 (Malden Inn ) California 49 Marianna Historic District Marianna Historic District November 15, 1984 (# 84000560 ) Roughly bounded by Ten Mile Creek, Beeson Avenue Hill, and 6th and 7th Streets 40°01′21″N 80°05′53″W / 40.0225°N 80.098056°W / 40.0225; -80.098056 (Marianna Historic District ) Marianna 50 Martin Farmstead Martin Farmstead July 21, 1995 (# 95000886 ) Pennsylvania Route 136 , 2 miles (3.2 km) west of Eighty-Four 40°11′01″N 80°10′06″W / 40.183611°N 80.168333°W / 40.183611; -80.168333 (Martin Farmstead ) South Strabane Township 51 Martin's Mill Covered Bridge Martin's Mill Covered Bridge June 22, 1979 (# 79003825 ) West of Marianna crossing Ten Mile Creek 40°00′49″N 80°07′54″W / 40.013611°N 80.131667°W / 40.013611; -80.131667 (Martin's Mill Covered Bridge ) Amwell and West Bethlehem Townships The bridge no longer exists. 52 Dr. Joseph Maurer House Dr. Joseph Maurer House December 30, 1993 (# 93001470 ) 97 West Wheeling Street 40°10′09″N 80°14′51″W / 40.169086°N 80.247461°W / 40.169086; -80.247461 (Dr. Joseph Maurer House ) Washington 53 Blaney Mays Covered Bridge Blaney Mays Covered Bridge June 22, 1979 (# 79002350 ) Waynesburg Road spanning Middle Wheeling Creek, southwest of Claysville [5] 40°05′17″N 80°29′15″W / 40.0881°N 80.4875°W / 40.0881; -80.4875 (Blaney Mays Covered Bridge ) Donegal Township 54 Meadowcroft Rockshelter Meadowcroft Rockshelter November 21, 1978 (# 78002480 ) West of Avella 40°17′11″N 80°29′30″W / 40.286389°N 80.491667°W / 40.286389; -80.491667 (Meadowcroft Rockshelter ) Jefferson Township 55 Longdon L. Miller Covered Bridge Longdon L. Miller Covered Bridge June 22, 1979 (# 79002363 ) Miller Creek Road spanning Templeton Fork Wheeling Creek , west of Enon [5] 39°58′41″N 80°26′47″W / 39.9781°N 80.4464°W / 39.9781; -80.4464 (Longdon L. Miller Covered Bridge ) West Finley Township 56 Mingo Creek Presbyterian Church and Churchyard Mingo Creek Presbyterian Church and Churchyard November 12, 1992 (# 92001500 ) Junction of Pennsylvania Route 88 and Mingo Church Road, northwest of Courtney 40°13′44″N 79°59′50″W / 40.228889°N 79.997222°W / 40.228889; -79.997222 (Mingo Creek Presbyterian Church and Churchyard ) Union Township 57 Monongahela Cemetery Monongahela Cemetery October 14, 2001 (# 01001116 ) Cemetery Hill Road at Gregg Street 40°11′39″N 79°55′20″W / 40.194167°N 79.922222°W / 40.194167; -79.922222 (Monongahela Cemetery ) Monongahela 58 Montgomery House Montgomery House October 25, 1974 (# 74001809 ) West Main Street 40°06′57″N 80°24′58″W / 40.115833°N 80.416111°W / 40.115833; -80.416111 (Montgomery House ) Claysville 59 Thomas Munce House Thomas Munce House June 28, 1996 (# 96000710 ) Pennsylvania Route 136 , 3 miles (4.8 km) east of Washington 40°11′13″N 80°10′48″W / 40.186944°N 80.18°W / 40.186944; -80.18 (Thomas Munce House ) South Strabane Township 60 John H. Nelson House John H. Nelson House May 5, 2000 (# 00000452 ) 104 Colvin Road 40°08′04″N 79°57′28″W / 40.134444°N 79.957778°W / 40.134444; -79.957778 (John H. Nelson House ) Fallowfield Township 61 Nesbit-Walker Farm Nesbit-Walker Farm February 2, 2016 (# 15001033 ) 173 Mulberry Hill 40°14′26″N 80°18′08″W / 40.240556°N 80.302222°W / 40.240556; -80.302222 (Nesbit-Walker Farm ) Canton Township 62 Old Main, California State College Old Main, California State College May 2, 1974 (# 74001806 ) California University of Pennsylvania campus 40°03′57″N 79°53′08″W / 40.065833°N 79.885556°W / 40.065833; -79.885556 (Old Main, California State College ) California 63 Robert Parkinson Farm Robert Parkinson Farm July 15, 2002 (# 01000603 ) Pennsylvania Route 18 , 0.4 miles (0.64 km) north of Old Concord 40°00′44″N 80°20′00″W / 40.012222°N 80.333333°W / 40.012222; -80.333333 (Robert Parkinson Farm ) Morris Township 64 Pennsylvania Railroad Freight Station Pennsylvania Railroad Freight Station July 21, 1995 (# 95000891 ) 111 Washington Street 40°10′20″N 80°15′15″W / 40.172222°N 80.254167°W / 40.172222; -80.254167 (Pennsylvania Railroad Freight Station ) Washington 65 Pennsylvania Railroad Passenger Station Pennsylvania Railroad Passenger Station June 19, 1979 (# 79002349 ) 100 Wood Street 40°04′05″N 79°53′21″W / 40.068056°N 79.889167°W / 40.068056; -79.889167 (Pennsylvania Railroad Passenger Station ) California 66 Pine Bank Covered Bridge Pine Bank Covered Bridge June 22, 1979 (# 79003824 ) Meadowcroft Rockshelter and Museum of Rural Life, southwest of Studa crossing a ravine [5] 40°17′20″N 80°29′27″W / 40.2889°N 80.4908°W / 40.2889; -80.4908 (Pine Bank Covered Bridge ) Jefferson Township 67 Plant's Covered Bridge Plant's Covered Bridge June 22, 1979 (# 79002364 ) Skyview Road spanning Templeton Fork Wheeling Creek [5] 40°01′16″N 80°24′58″W / 40.0211°N 80.4161°W / 40.0211; -80.4161 (Plant's Covered Bridge ) East Finley Township 68 Plantation Plenty Plantation Plenty June 21, 1975 (# 75001673 ) 2 miles (3.2 km) south of Avella on Pennsylvania Route 231 40°15′17″N 80°27′40″W / 40.254722°N 80.461111°W / 40.254722; -80.461111 (Plantation Plenty ) Independence Township Boundary increase and renaming, February 2, 2016. 69 Ralston Freeman Covered Bridge Ralston Freeman Covered Bridge June 22, 1979 (# 79003827 ) North of Paris crossing Aunt Clara's Fork of King's Creek 40°26′49″N 80°30′26″W / 40.446997°N 80.507122°W / 40.446997; -80.507122 (Ralston Freeman Covered Bridge ) Hanover Township 70 Regester Log House Regester Log House October 16, 1974 (# 74001810 ) North of Fredericktown off Pennsylvania Route 88 40°00′42″N 79°59′45″W / 40.011797°N 79.995819°W / 40.011797; -79.995819 (Regester Log House ) East Bethlehem Township 71 Ringland Tavern Ringland Tavern February 16, 1996 (# 96000091 ) U.S. Route 40 in Scenery Hill 40°05′03″N 80°04′06″W / 40.084167°N 80.068333°W / 40.084167; -80.068333 (Ringland Tavern ) North Bethlehem Township 72 Roberts House Roberts House April 10, 1975 (# 75001674 ) 225 North Central Avenue 40°15′40″N 80°11′15″W / 40.261139°N 80.187453°W / 40.261139; -80.187453 (Roberts House ) Canonsburg 73 Frank L. Ross Farm Frank L. Ross Farm March 20, 2002 (# 02000226 ) Pennsylvania Route 519 , 0.3 miles (0.48 km) north of U.S. Route 40 40°07′56″N 80°08′01″W / 40.132222°N 80.133611°W / 40.132222; -80.133611 (Frank L. Ross Farm ) North Bethlehem and South Strabane Townships 74 "S" Bridge "S" Bridge April 4, 1975 (# 75001676 ) U.S. Route 40 at Pennsylvania Route 221 , 6 miles (9.7 km) west of Washington 40°08′22″N 80°21′00″W / 40.139444°N 80.35°W / 40.139444; -80.35 ("S" Bridge ) Buffalo Township 75 Sawhill Covered Bridge Sawhill Covered Bridge June 22, 1979 (# 79002358 ) Off Pennsylvania Route 221 , northwest of Taylorstown 40°10′48″N 80°24′59″W / 40.18°N 80.416389°W / 40.18; -80.416389 (Sawhill Covered Bridge ) Blaine Township 76 Scenery Hill Historic District Scenery Hill Historic District October 24, 1996 (# 96001198 ) Roughly National Pike East/U.S. Route 40 between Scenery Hill Cemetery and Kinder Road in Scenery Hill 40°05′08″N 80°04′17″W / 40.085556°N 80.071389°W / 40.085556; -80.071389 (Scenery Hill Historic District ) North Bethlehem Township 77 David Slusher Farm David Slusher Farm February 2, 2016 (# 15001035 ) 546 Lone Pine Rd. 40°04′36″N 80°10′42″W / 40.076667°N 80.178333°W / 40.076667; -80.178333 (David Slusher Farm ) Amwell Township 78 Sprowl's Covered Bridge Sprowl's Covered Bridge June 22, 1979 (# 79002365 ) Off Pennsylvania Route 231 40°00′39″N 80°24′25″W / 40.010833°N 80.406944°W / 40.010833; -80.406944 (Sprowl's Covered Bridge ) East Finley Township 79 Stephenson-Campbell House Stephenson-Campbell House August 22, 2002 (# 02000891 ) At the end of Tomahawk Claim Lane, off Reissing Road 40°20′31″N 80°11′43″W / 40.3419°N 80.1953°W / 40.3419; -80.1953 (Stephenson-Campbell House ) Cecil Township 80 Taylorstown Historic District Taylorstown Historic District September 5, 1985 (# 85001958 ) Main Street in Taylorstown 40°09′35″N 80°22′45″W / 40.1597°N 80.3792°W / 40.1597; -80.3792 (Taylorstown Historic District ) Blaine Township 81 James Thome Farm James Thome Farm April 11, 1997 (# 97000292 ) 213 Linnwood Road, northwest of Eighty Four 40°11′53″N 80°09′30″W / 40.1981°N 80.1583°W / 40.1981; -80.1583 (James Thome Farm ) North Strabane Township 82 Trinity Hall Trinity Hall September 27, 1976 (# 76001681 ) 1 mile (1.6 km) south of Washington on Pennsylvania Route 18 40°09′53″N 80°14′56″W / 40.1647°N 80.2489°W / 40.1647; -80.2489 (Trinity Hall ) North Franklin Township 83 Ulery Mill Ulery Mill April 20, 1978 (# 78002481 ) Southeast of Marianna 40°00′40″N 80°04′32″W / 40.0111°N 80.0756°W / 40.0111; -80.0756 (Ulery Mill ) West Bethlehem Township Demolished 84 US Post Office-Charleroi US Post Office-Charleroi January 4, 1990 (# 89002287 ) 638 Fallowfield Avenue 40°08′24″N 79°54′02″W / 40.14°N 79.9006°W / 40.14; -79.9006 (US Post Office-Charleroi ) Charleroi 85 Washington Armory Washington Armory May 9, 1991 (# 91000520 ) 76 West Maiden Street 40°10′02″N 80°14′47″W / 40.1673°N 80.2465°W / 40.1673; -80.2465 (Washington Armory ) Washington 86 Washington Commercial Historic District Upload image May 6, 2021 (# 100005206 ) Roughly bounded by Spruce Ave., Park Ave., Shaffer Ave., Bownson Ave., and Franklin St. 40°10′17″N 80°14′44″W / 40.1715°N 80.2456°W / 40.1715; -80.2456 (Washington Commercial Historic District ) Washington 87 Washington County Courthouse Washington County Courthouse July 30, 1974 (# 74001812 ) South Main Street 40°10′14″N 80°14′45″W / 40.17045°N 80.2458°W / 40.17045; -80.2458 (Washington County Courthouse ) Washington 88 Washington County Jail Washington County Jail July 30, 1974 (# 74001813 ) Cherry Street 40°10′13″N 80°14′47″W / 40.1702°N 80.2463°W / 40.1702; -80.2463 (Washington County Jail ) Washington 89 Washington Trust Company Building Washington Trust Company Building January 7, 2015 (# 14001133 ) 6 S. Main St. 40°10′15″N 80°14′43″W / 40.1708°N 80.2454°W / 40.1708; -80.2454 (Washington Trust Company Building ) Washington 90 Webster Donora Bridge Webster Donora Bridge June 22, 1988 (# 88000813 ) State Route 1022 over the Monongahela River 40°11′03″N 79°51′08″W / 40.1842°N 79.8522°W / 40.1842; -79.8522 (Webster Donora Bridge ) Donora Extends into Rostraver Township in Westmoreland County 91 Welsh-Emery House Welsh-Emery House March 7, 1995 (# 95000126 ) 114 Emery Road 40°02′58″N 80°00′04″W / 40.0494°N 80.0011°W / 40.0494; -80.0011 (Welsh-Emery House ) Centerville 92 West Alexander Historic District West Alexander Historic District March 7, 1985 (# 85000471 ) Roughly bounded by Main, North Liberty, and Mechanic Streets in West Alexander 40°06′15″N 80°30′37″W / 40.1042°N 80.5103°W / 40.1042; -80.5103 (West Alexander Historic District ) Donegal Township 93 West Middletown Historic District West Middletown Historic District August 8, 1985 (# 85001740 ) Main Street 40°14′34″N 80°25′34″W / 40.2428°N 80.4261°W / 40.2428; -80.4261 (West Middletown Historic District ) West Middletown 94 John White House John White House November 12, 1998 (# 98001370 ) 2151 North Main Street Extension 40°12′28″N 80°15′25″W / 40.2078°N 80.2569°W / 40.2078; -80.2569 (John White House ) Chartiers Township 95 Wilson's Mill Covered Bridge Wilson's Mill Covered Bridge June 22, 1979 (# 79003826 ) Northeast of the junction of Pennsylvania Route 980 and Johns Avenue [5] 40°22′03″N 80°14′02″W / 40.3674°N 80.2339°W / 40.3674; -80.2339 (Wilson's Mill Covered Bridge ) McDonald Has been moved from its earlier location on Oakleaf Road over Cross Creek, southeast of Avella [7] 96 Levi Wilson Tavern Levi Wilson Tavern April 15, 1996 (# 96001210 ) U.S. Route 40 , 1.5 miles (2.4 km) east of the S Bridge 40°09′00″N 80°19′44″W / 40.15°N 80.3289°W / 40.15; -80.3289 (Levi Wilson Tavern ) Buffalo Township 97 Cerl Wright Covered Bridge Cerl Wright Covered Bridge June 22, 1979 (# 79003832 ) Ridge Road, northwest of Bentleyville crossing North Fork of Pigeon Creek 40°09′32″N 80°02′56″W / 40.1589°N 80.0489°W / 40.1589; -80.0489 (Cerl Wright Covered Bridge ) Somerset Township 98 Enoch Wright House Enoch Wright House May 24, 2007 (# 07000466 ) 815 Venetia Road 40°14′59″N 80°01′44″W / 40.2497°N 80.0289°W / 40.2497; -80.0289 (Enoch Wright House ) Peters Township 99 Wyit Sprowls Covered Bridge Wyit Sprowls Covered Bridge June 22, 1979 (# 79002366 ) East Finley Township park spanning Robinson Fork Wheeling Creek [5] 40°02′22″N 80°24′06″W / 40.0394°N 80.4017°W / 40.0394; -80.4017 (Wyit Sprowls Covered Bridge ) East Finley Township Relocated to current location from West Finley Township approximately 1996 [5]