The Thomas Viaduct spans the Patapsco River and Patapsco Valley between Relay, Maryland and Elkridge, Maryland, USA. It was commissioned by the Baltimore and Ohio Railroad (B&O); built between July 4, 1833, and July 4, 1835; and named for Philip E. Thomas, the company's first president. It remains the world's oldest multiple arched stone railroad bridge.
Begun in 1898 in rural Frederick County, Maryland, the LeGore Bridge was completed and opened to the public in 1900. It was built and maintained by the owners of the LeGore Lime Company, including local businessman James William LeGore and his company advisor, Eugene Hammond. It is 340 feet (105m) in length, 27 feet (8.3m) wide and 64 feet (16.7m) high. The bridge is situated at 39°35'N 77°19'W. The five arch limestone bridge was restored in 1981 and 2009.
Sudbrook Park is a historic neighborhood near Pikesville, Maryland located just northwest of the Baltimore City limits in Baltimore County.
Bennies Hill Road Bridge is an iron bowstring arch bridge over Catoctin Creek near Middletown, Maryland, United States. It is one of two remaining bridges of its type in Maryland that remain in their original locations. The bridge was restored in 2009.
The Fourpoints Bridge, near Emmitsburg, Maryland is a wrought iron bridge by the Wrought Iron Bridge Company of Canton, Ohio. The bridge crosses Toms Creek and is similar to the Poffenberger Road Bridge elsewhere in Frederick County. The 103-foot Pratt truss bridge remains in daily use.
The Loys Station Covered Bridge is a multiple king post wooden covered bridge near Thurmont, Maryland. The bridge was burned by an arsonist in 1991 and rebuilt using surviving framing. The original bridge spanned 90 feet in one span, but has since been modified with a pier at the middle of the span. The bridge crosses Owen's Creek and is surrounded by a park.
The Utica Road Covered Bridge is a Burr truss wooden covered bridge located near Lewistown, Maryland. Originally built in 1834, it spanned the Monocacy River at the Devilbiss Bridge crossing. An 1889 flood damaged the bridge and the surviving half was moved to Fishing Creek in 1891. Like the nearby Loys Station Covered Bridge, a pier was inserted at the middle of the bridge to halve its span.
The Poffenberger Road Bridge, near Jefferson, Maryland, is a wrought iron bridge by the Wrought Iron Bridge Company of Canton, Ohio. The bridge is similar to the Fourpoints Bridge elsewhere in Frederick County. The bridge is a single-span double-intersection Pratt truss. It was built circa 1878 and remains in daily use.
Hopewell is a set of historic homes and farm complexes located at Union Bridge, Carroll County, Maryland, United States. It consists of four related groupings of 19th century farm buildings. The Hopewell complex consists of two historic farms: Hopewell and the smaller F.R. Shriner Farm.
The Amelung House and Glassworks is a historic home located at Urbana, Frederick County, Maryland, United States. It is a two-story, late-Georgian brick home on a stone foundation built about 1785. The property once had the New Bremen glassworks built by Johann Friedrich Amelung after he came to Maryland in 1784; no above-ground remains of the factory remain. Fine examples of New Bremen glass work may be seen at the Metropolitan Museum of Art in New York City; the Corning Museum of Glass in Corning, New York; and Winterthur Museum in Winterthur, Delaware.
The Old Mill Road Bridge is a historic bridge near Rocky Ridge, Frederick County, Maryland, United States. The bridge spans Owens Creek southwest of Rocky Ridge on Old Mill Road. It is a Pratt half-hip through truss structure in a single span 69 feet (21 m) long and 16 feet (4.9 m). It was built in 1882 by the Pittsburgh Bridge Company, Pittsburgh, Pennsylvania.
The Roddy Road Covered Bridge is a small, one lane king post wooden covered bridge near Thurmont, Frederick County, Maryland. It crosses Owen's Creek near Thurmont. It is 40 feet long, 16 feet wide, with a 12 foot-8 inch clearance. It was built between 1850 and 1860.
The Crum Road Bridge is a historic bridge near Frederick, Frederick County, Maryland, United States. It spanned Israel Creek southeast of Walkersville. The bridge is an iron bowstring pony bridge that is 62 feet (19 m) in length and 15.8 feet (4.8 m) in width. The Crum Road Bridge was built on or about 1875, and was probably constructed by the King Iron Bridge Company of Cleveland, Ohio.
The McKinstry's Mills Historic District is a national historic district in Union Bridge, located in Carroll and Frederick County, Maryland. The district comprises the entirety of the settlement of McKinstry's Mills, a 26-acre (110,000 m2) hamlet consisting of six separate properties that were owned and developed in the 19th century by the McKinstry family, local millers. At the center is a 3+1⁄2-story grist mill constructed in 1844. Also included are the McKinstry homestead, built between 1825 and 1835; the residence of miller Samuel McKinstry, dated 1849; a store building of 1850; and two other small houses and a variety of outbuildings. There is also a 1908 Warren pony truss bridge.
The Jericho Covered Bridge is a Burr arch through truss wooden covered bridge near Jerusalem, Harford County and Kingsville, Baltimore County, in Maryland, United States and near historic Jerusalem Mill Village. The bridge was constructed in 1865 across the Little Gunpowder Falls. This bridge is 88 feet (27 m) long and 14.7 feet (4.5 m) wide and is open to traffic.
Readbourne is a historic home located at Centreville, Queen Anne's County, Maryland, United States. It is a five-part Georgian brick house: the center block was built in the early 1730s; the south wing in 1791; and the north wing in 1948. The central part of the house is the most significant, being a "T"-shaped, two-story brick building with a hip roof, measuring 60 feet (18 m) by 23 feet 6 inches (7.16 m). All of the brick walls are laid in Flemish bond.
Johnsville is an unincorporated community in Frederick County, Maryland, United States. It is located approximately halfway between Libertytown and Union Bridge along Maryland Route 75. The Kitterman-Buckey Farm was listed on the National Register of Historic Places in 2005.
Rocky Ridge is an unincorporated community in Frederick County, Maryland, United States. The name "Rocky Ridge" likely refers to a ridge of ironstone which runs through the area.
Union Mills Homestead Historic District is a national historic district at Westminster, Carroll County, Maryland, United States.
Wilson's Bridge is a bridge near Hagerstown, Washington County, Maryland, United States. It originally carried the Hagerstown and Conococheague Turnpike, the National Road, across Conococheague Creek 7 miles (11 km) west of Hagerstown. The five-arched structure, the longest of the county's stone bridges, is 210 feet (64 m) in length and is constructed of coursed local limestone. The bridge was erected in 1819 by Silas Harry, who had built similar bridges in Pennsylvania. The bridge was closed in June 1972 when it was damaged by floods which occurred during Tropical Storm Agnes.
