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
US 50 ML Colorado Fair 1959 67.9 m 2,099
I 76 ML R Colorado Fair 1995 106.7 m 2,099
COTTONWOOD CREEK Colorado Fair 1997 9.0 m 2,098
Larimer Co. Canal No. 2 Colorado Fair 1972 6.7 m 2,097
Importation Channel Colorado Fair 1992 8.9 m 2,097
PURGATOIRE RIVER Colorado Good 1993 50.3 m 2,095
Gilmore Ditch Colorado Poor 1981 7.3 m 2,095
FLORIDA RIVER Colorado Fair 1983 16.6 m 2,095
COAL CREEK Colorado Fair 1916 13.7 m 2,092
BLUE RIVER Colorado Fair 1981 31.4 m 2,091
LOCAL DRAINAGE Colorado Fair 2007 10.3 m 2,091
PURGATOIRE RIVER Colorado Fair 1962 68.6 m 2,088
Boulder Feeder Canal Colorado Good 2010 11.3 m 2,084
FOUNTAIN CREEK Colorado Fair 2003 12.9 m 2,079
EAST FORK SAND CREEK Colorado Fair 2006 13.2 m 2,073
VAN BIBBER CREEK Colorado Good 2001 20.1 m 2,067
UNNAMED DRAW Colorado Fair 2008 8.8 m 2,061
Elk River Colorado Fair 1981 24.1 m 2,058
DEER CREEK Colorado Fair 1969 12.5 m 2,056
COON CREEK Colorado Fair 1975 6.4 m 2,054
I 70 ML Colorado Fair 1977 84.3 m 2,053
BLACK SQUIRREL CREEK Colorado Fair 1996 36.6 m 2,050
BRANCH SQUIRREL CREEK Colorado Fair 1995 18.8 m 2,048
GRAND VALLEY CANAL Colorado Fair 1959 7.3 m 2,048
HIGHLINE CANAL Colorado Fair 1999 15.7 m 2,042
Latham Ditch Colorado Fair 1998 9.0 m 2,042
Fort Morgan Canal Colorado Fair 1993 9.7 m 2,038
COTTONWOOD CREEK Colorado Fair 1991 16.7 m 2,037
Saint Vrain Creek Ovrflw Colorado Good 2018 42.9 m 2,031
Saint Vrain Creek Colorado Fair 2006 29.2 m 2,031
GOLDSMITH GULCH Colorado Fair 1985 10.3 m 2,030
PARKING LOT Colorado Fair 1993 28.3 m 2,030
W. FORK SAND CREEK Colorado Fair 2000 15.4 m 2,025
HILLSBORO TRIBUTARY Colorado Good 2023 29.3 m 2,023
WEST FORK SQUIRREL CREEK Colorado Fair 1991 8.0 m 2,020
LOCAL DRAINAGE Colorado Fair 2005 9.9 m 2,019
DRAINAGE CANAL Colorado Fair 1986 6.3 m 2,018
MAIN STREAM Colorado Fair 1982 7.5 m 2,018
Poudre Valley Canal Colorado Good 2003 6.6 m 2,015
EAST TOLLGATE CREEK Colorado Fair 2004 6.3 m 2,015
Larimer County Canal Colorado Fair 1979 13.9 m 2,014
EAST PLUM CREEK Colorado Good 2008 54.9 m 2,011
LAKEWOOD GULCH Colorado Fair 1997 13.6 m 2,008
SOUTH DOUGLAS CREEK Colorado Good 1984 12.8 m 2,007
CAMP CREEK Colorado Fair 1955 7.4 m 2,002
E-470 Colorado Good 1990 93.3 m 2,000
SIX MILE CREEK Colorado Poor 1942 19.5 m 2,000
PLATEAU CREEK Colorado Fair 1965 57.0 m 2,000
E-470 Colorado Good 2004 93.3 m 2,000
I 70 ML Colorado Good 1986 47.4 m 2,000

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.