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
LAKEWOOD GULCH Colorado Good 2013 19.8 m 1,058
McClellands Channel Colorado Good 2001 6.8 m 1,058
EMPIRE CANAL Colorado Fair 1991 21.3 m 1,052
Last Chance Ditch Colorado Fair 2003 11.1 m 1,052
Crow Creek Colorado Fair 1965 9.3 m 1,051
EATON DRAW Colorado Good 2023 21.0 m 1,050
Cache La Poudre River Colorado Good 1991 44.2 m 1,048
UPPER BEAR CREEK Colorado Fair 1954 7.1 m 1,046
HIGHLINE CANAL Colorado Fair 1993 7.0 m 1,046
TRIB. BIG SALT WASH Colorado Fair 1988 6.8 m 1,045
Rock Creek Colorado Fair 2000 23.2 m 1,043
Big Dry Creek Colorado Good 1995 12.1 m 1,041
Louden Ditch Colorado Fair 1979 6.1 m 1,036
COAL CREEK Colorado Fair 1980 6.1 m 1,034
FOUNTAIN MUTUAL DITCH Colorado Fair 2001 6.3 m 1,034
Loveland Greeley Canal Colorado Good 2000 6.5 m 1,032
SOUTH TURKEY CREEK Colorado Good 2000 6.7 m 1,031
BESSEMER DITCH Colorado Good 1970 7.4 m 1,030
DRY CREEK Colorado Fair 1990 15.6 m 1,028
Sterling Ditch No. 1 Colorado Good 2003 7.8 m 1,027
DRY CREEK Colorado Fair 1984 25.3 m 1,023
Davidson Ditch Colorado Good 1970 7.6 m 1,022
SOUTH TURKEY CREEK Colorado Fair 1991 7.7 m 1,020
BLDR and Whiterock Ditch Colorado Fair 1975 6.3 m 1,018
UNCOMPAHGRE RIVER Colorado Fair 1986 21.8 m 1,014
GUNNISON RIVER Colorado Good 1998 103.6 m 1,013
Crow Creek Colorado Fair 1999 14.7 m 1,012
Greeley Loveland Canal Colorado Fair 1917 12.8 m 1,010
Boulder Feeder Ditch Colorado Fair 1955 8.7 m 1,009
South Platte River Colorado Fair 1965 104.9 m 1,008
I 25 ML Colorado Fair 1963 62.8 m 1,007
GRAND VALLEY CANAL Colorado Fair 1955 8.2 m 1,005
Dry Creek Colorado Fair 1989 12.7 m 1,004
FARMERS UNION LATERAL Colorado Fair 1996 8.6 m 1,002
LIGHTNER CREEK Colorado Good 2013 13.2 m 1,000
TWO MILE CREEK Colorado Fair 1957 9.8 m 1,000
HORSETAIL CREEK Colorado Good 1957 11.7 m 1,000
LODGEPOLE CREEK Colorado Good 2017 14.0 m 1,000
PAWNEE CREEK Colorado Fair 1957 37.5 m 1,000
COTTONWOOD CREEK Colorado Fair 1957 8.5 m 1,000
COTTONWOOD CREEK Colorado Fair 1998 39.7 m 1,000
UP RR Colorado Fair 1999 70.0 m 1,000
SOUTH PLATTE DITCH Colorado Good 1926 6.9 m 1,000
PREWITT OUTLET CANAL Colorado Fair 1941 19.1 m 1,000
PAWNEE CANAL Colorado Fair 1966 27.1 m 1,000
SOUTH PLATTE R OVFLW Colorado Fair 1966 124.0 m 1,000
SOUTH PLATTE RIVER Colorado Fair 1966 247.4 m 1,000
WESTERN FUELS RR Colorado Good 1983 9.1 m 1,000
CHIMNEY ROCK CREEK Colorado Fair 1938 7.2 m 1,000
EGERIA CREEK Colorado Fair 1948 13.1 m 1,000

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.