List of bridges documented by the Historic American Engineering Record in Colorado

The location of the State of Colorado in the United States of America .

This is a list of bridges documented by the Historic American Engineering Record in the U.S. State of Colorado. ^[1]

Bridges

Survey No.	Name (as assigned by HAER)	Status	Type [2]	Built	Documented	Carries	Crosses	Location	County	Coordinates
CO-7	South Platte Canyon Road Bridge					South Platte Canyon Road		Denver	Denver
CO-9	Keystone Bridge	Replaced	Pratt truss	1870	1983	Denver, South Park and Pacific Railroad (former)	South Platte River south fork	Waterton	Jefferson and Douglas	39°27′29″N105°07′38″W / 39.45806°N 105.12722°W / 39.45806; -105.12722 (Keystone Bridge)
CO-10	Uintah Railway, Whiskey Creek Trestle	Demolished	Trestle	1906	1988	Uintah Railway	Whiskey Creek	Rangely	Rio Blanco	39°43′04″N109°01′27″W / 39.71778°N 109.02417°W / 39.71778; -109.02417 (Uintah Railway, Whiskey Creek Trestle)
CO-13	Deansbury Bridge		Warren truss	1922	1983	Denver, South Park and Pacific Railroad (former)	South Platte River	Waterton	Jefferson and Douglas
CO-20	Manzanola Bridge	Replaced	Pennsylvania truss	1911	1984	SH 207	Arkansas River	Manzanola	Otero and Crowley	38°07′38″N103°51′42″W / 38.12722°N 103.86167°W / 38.12722; -103.86167 (Manzanola Bridge)
CO-24	Denver, South Park and Pacific Railroad Truss Bridge	Extant	Pratt truss	1881	1984	Denver, South Park and Pacific Railroad (former)	Pomeroy Gulch	Romley	Chaffee	38°40′30″N106°21′53″W / 38.67500°N 106.36472°W / 38.67500; -106.36472 (Denver South Park & Pacific Railroad Truss Bridge)
CO-25 CO-49	Denver, South Park and Pacific Railroad Bridge Hortense Bridge	Replaced	Queen post truss	1880	1984 1986	SH 162	Chalk Creek	Nathrop	Chaffee	38°44′01″N106°09′34″W / 38.73361°N 106.15944°W / 38.73361; -106.15944 (Denver South Park & Pacific Railroad Bridge)
CO-30	Colorado Historic Bridges Survey							Denver	Denver
CO-30-G	Black Bridge	Demolished	Pratt truss	1891	1988	25 3/10 Road	Gunnison River	Grand Junction	Mesa	39°02′52″N108°34′33″W / 39.04778°N 108.57583°W / 39.04778; -108.57583 (Black Bridge)
CO-35	Four Mile Bridge	Replaced	Pratt truss	1909	1986	CR 371	Arkansas River	Buena Vista	Chaffee	38°51′57″N106°08′20″W / 38.86583°N 106.13889°W / 38.86583; -106.13889 (Four Mile Bridge)
CO-36	State Bridge	Replaced	Pratt truss	1908	1985	CR 17	Rio Grande	Del Norte	Rio Grande	37°41′20″N106°27′36″W / 37.68889°N 106.46000°W / 37.68889; -106.46000 (State Bridge)
CO-37	Swink Bridge	Replaced	Parker truss	1912	1985	CR 24.5	Arkansas River	Swink	Otero	38°01′37″N103°37′44″W / 38.02694°N 103.62889°W / 38.02694; -103.62889 (Swink Bridge)
CO-40	Hotchkiss Bridge	Replaced	Parker truss	1911	1987	3400 Road	North Fork Gunnison River	Hotchkiss	Delta	38°47′31″N107°43′33″W / 38.79194°N 107.72583°W / 38.79194; -107.72583 (Hotchkiss Bridge)
CO-41	Fifth Street Bridge	Replaced	Parker truss	1933	1987	US 50	Colorado River	Grand Junction	Mesa	39°03′16″N108°33′57″W / 39.05444°N 108.56583°W / 39.05444; -108.56583 (Fifth Street Bridge)
CO-44	Baseline Bridge	Replaced	Warren truss	1926	1986	CR 2 (East 168th Avenue)	South Platte River	Brighton	Adams	40°00′01″N104°49′39″W / 40.00028°N 104.82750°W / 40.00028; -104.82750 (Baseline Bridge)
CO-48	Broadway Bridge	Replaced	Steel built-up girder	1896	1986	Broadway	Cherry Creek	Denver	Denver	39°43′37″N104°59′15″W / 39.72694°N 104.98750°W / 39.72694; -104.98750 (Broadway Bridge)
CO-51	Twentieth Street Viaduct	Replaced	Viaduct	1911	1991	20th Street	South Platte River	Denver	Denver	39°45′38″N105°00′15″W / 39.76056°N 105.00417°W / 39.76056; -105.00417 (Twentieth Street Viaduct)
CO-52	Fourteenth Street Viaduct	Demolished	Viaduct	1898	1988	14th Street	South Platte River	Denver	Denver	39°44′57″N105°00′10″W / 39.74917°N 105.00278°W / 39.74917; -105.00278 (Fourteenth Street Viaduct)
CO-53	Commercial Street Bridge	Replaced	Reinforced concrete through arch	1905	1988	Commercial Street	Purgatoire River	Trinidad	Las Animas	37°10′21″N104°30′26″W / 37.17250°N 104.50722°W / 37.17250; -104.50722 (Commercial Street Bridge)
CO-54	Linden Avenue Bridge	Replaced	Pennsylvania truss	1912	1988	Linden Avenue	Purgatoire River	Trinidad	Las Animas	37°10′22″N104°29′57″W / 37.17278°N 104.49917°W / 37.17278; -104.49917 (Linden Avenue Bridge)
CO-55	Nepesta Bridge	Replaced	Pratt truss	1905	1988	CR 613	Arkansas River	Boone	Pueblo	38°10′44″N104°08′21″W / 38.17889°N 104.13917°W / 38.17889; -104.13917 (Nepesta Bridge)
CO-57	Delgany Street Railroad Bridge	Extant [3] [4] [5]	Pratt truss	1923	1988	Delgany Street	Cherry Creek	Denver	Denver	39°45′05″N105°00′19″W / 39.75139°N 105.00528°W / 39.75139; -105.00528 (Delgany Street Railroad Bridge)
CO-58	Cherry Creek Railroad Bridge	Extant	Pratt truss	1923	1988	Colorado and Southern Railway	Cherry Creek	Denver	Denver	39°45′5″N105°00′19″W / 39.75139°N 105.00528°W / 39.75139; -105.00528 (Cherry Creek Railroad Bridge)
CO-59	Nineteenth Street Bridge	Extant	Pratt truss	1888	1991	19th Street	South Platte River	Denver	Denver	39°45′35″N105°00′15″W / 39.75972°N 105.00417°W / 39.75972; -105.00417 (Nineteenth Street Bridge)
CO-60	Four Mile Bridge	Replaced	Pratt truss	1900	1988	CR 42	Elk River	Steamboat Springs	Routt	40°30′53″N106°57′14″W / 40.51472°N 106.95389°W / 40.51472; -106.95389 (Four Mile Bridge)
CO-62	Delta Bridge	Replaced	Parker truss	1924	1989	US 50	Gunnison River	Delta	Delta	38°45′02″N108°04′10″W / 38.75056°N 108.06944°W / 38.75056; -108.06944 (Delta Bridge)
CO-70	Roubideau Bridge	Replaced	Warren truss	1911	1991	G50 Road	Gunnison River	Delta	Delta	38°44′53″N108°07′12″W / 38.74806°N 108.12000°W / 38.74806; -108.12000 (Roubideau Bridge)
CO-72	Saxton Bridge	Replaced	Parker truss	1890	1993	650 Road	Gunnison River	Delta	Delta	38°45′28″N108°15′30″W / 38.75778°N 108.25833°W / 38.75778; -108.25833 (Saxton Bridge)
CO-76	Baxterville Bridge	Replaced	Pratt truss	1909	1993	Masonic Park Drive	Rio Grande	South Fork	Rio Grande	37°42′03″N106°41′08″W / 37.70083°N 106.68556°W / 37.70083; -106.68556 (Baxterville Bridge)
CO-77	Elson Bridge	Replaced	Pratt truss	1905	1993	CR 36	Purgatoire River	El Moro	Las Animas	37°14′52″N104°24′19″W / 37.24778°N 104.40528°W / 37.24778; -104.40528 (Elson Bridge)
CO-102	Dolores River Bridge	Replaced [6]	Pennsylvania truss	1952	2016	SH 90	Dolores River	Bedrock	Montrose	38°18′38″N108°53′09″W / 38.31056°N 108.88583°W / 38.31056; -108.88583 (Dolores River Bridge)

See also

• History portal
• Engineering portal
• United States portal
• Colorado portal

• List of bridges on the National Register of Historic Places in Colorado
• List of tunnels documented by the Historic American Engineering Record in Colorado
• Bibliography of Colorado
• Geography of Colorado
• History of Colorado
• Index of Colorado-related articles
• List of Colorado-related lists
• Outline of Colorado

References

1. Library of Congress. "Prints and Photographs Online Catalog: Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey" . Retrieved December 28, 2021.
2. Parsons Brinckerhoff; Engineering and Industrial Heritage (October 2005). "NCHRP Project 25-25, Task 15: A Context For Common Historic Bridge Types" (PDF). National Cooperative Highway Research Program, Transportation Research Council, National Research Council. Retrieved December 28, 2021.
3. "Whoops, Denver pedestrian bridge closed because no one knows who owns it". Denverite. 2022-09-15. Retrieved 2023-12-16.
4. "Repairing decades-old bridge in Denver's LoDo neighborhood will cost $250K". Denver 7 Colorado News (KMGH). 2022-07-26. Retrieved 2023-12-16.
5. "Denver says it will cost $3 million to fix bridge with no owner". KUSA.com. 2023-12-15. Retrieved 2023-12-16.
6. "CO 90 Bedrock/Dolores River Bridge - COMPLETED". Colorado Department of Transportation. Retrieved January 5, 2022.