Browse Bridge Database

8,990 bridges in the FHWA National Bridge Inventory in Colorado.

National Bridge Inventory Database

Browse 8,990 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

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BridgeLocationConditionYear BuiltLengthADT
Sullivan Ditch Colorado Fair 2004 14.5 m 2,282
SULPHUR GULCH Colorado Fair 1998 9.1 m 2,280
Arthur Ditch Colorado Good 2023 12.7 m 2,277
Little Thompson River Colorado Good 2018 13.6 m 2,273
Larimer & Weld Canal Colorado Fair 1970 14.5 m 2,271
ADOBE CREEK Colorado Good 2012 15.5 m 2,268
PERSIGO WASH Colorado Good 1980 8.3 m 2,266
Greeley No. 3 Ditch Colorado Fair 1986 8.0 m 2,263
GOVT HIGHLINE CANAL Colorado Fair 1990 16.6 m 2,259
MT VERNON CREEK Colorado Good 2014 20.1 m 2,257
HOFFMAN DRAINAGE Colorado Good 2017 6.6 m 2,256
SQUIRREL CREEK TRIBUTARY Colorado Fair 2004 10.1 m 2,255
Larimer and Weld Canal Colorado Fair 1954 9.1 m 2,253
Sullivan Ditch Colorado Fair 2003 12.6 m 2,247
RESERVOIR SPILLWAY Colorado Fair 1993 17.1 m 2,246
Platte Valley Canal Colorado Fair 1988 9.0 m 2,244
South Lone Pine Creek Colorado Fair 1967 7.7 m 2,242
Dry Creek Colorado Fair 1985 20.7 m 2,240
HIGHLINE CANAL Colorado Fair 1975 7.3 m 2,235
LITTLE DRY CREEK Colorado Fair 1984 21.5 m 2,227
LOCAL DRAINAGE Colorado Good 2017 8.4 m 2,226
Crystal River Colorado Good 1997 71.0 m 2,225
SQUIRREL CREEK TRIBUTARY Colorado Good 2002 13.4 m 2,223
DOUGLAS CREEK Colorado Good 1984 11.5 m 2,216
Sullivan Ditch Colorado Fair 1950 9.4 m 2,211
JIMMY CAMP CREEK Colorado Fair 1964 18.4 m 2,210
JIMMY CAMP CREEK TRIB. Colorado Fair 1984 49.9 m 2,210
Larimer Co. Canal No. 2 Colorado Fair 1982 7.3 m 2,208
New Cache La Poudre Cana Colorado Fair 2005 15.3 m 2,207
MCMURDO GULCH Colorado Good 2019 19.8 m 2,205
UNION DITCH Colorado Good 2024 11.0 m 2,205
EAGLE RIVER Colorado Good 2005 38.4 m 2,200
RR/PARKING LOT Colorado Fair 1994 112.8 m 2,200
PRIVATE PARKING LOT ACCE Colorado Fair 1994 32.3 m 2,200
UP RR Colorado Poor 1935 44.1 m 2,200
LAKE CREEK Colorado Fair 1948 37.8 m 2,200
S FK SOUTH PLATTE RVR Colorado Fair 1978 11.0 m 2,200
ILLINOIS RIVER Colorado Good 1993 12.9 m 2,200
SEASONAL WASH Colorado Good 2023 6.8 m 2,200
SEASONAL DRAW Colorado Good 2023 6.8 m 2,200
AGATE CREEK Colorado Fair 1937 7.6 m 2,200
CURRANT CREEK Colorado Fair 1967 29.9 m 2,200
LAMAR CANAL Colorado Fair 1987 6.7 m 2,200
GRAVEYARD CREEK Colorado Fair 1923 13.8 m 2,200
First Creek Colorado Fair 1997 25.9 m 2,200
NAVAJO SPRINGS CREEK Colorado Fair 1961 42.9 m 2,200
DRAW Colorado Fair 1961 10.3 m 2,200
ELK CREEK Colorado Poor 1933 31.4 m 2,200
Smith Road & UPRR Colorado Fair 2006 109.1 m 2,200
AZTEC CREEK Colorado Fair 1961 26.0 m 2,200

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.