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
FLORIDA RIVER Colorado Fair 1982 24.5 m 3,235
BRANTNER GULCH Colorado Good 1986 6.6 m 3,234
NORTH CREEK DRAINAGE Colorado Good 2020 8.3 m 3,231
RESERVOIR CANAL Colorado Fair 1975 9.6 m 3,225
Little Thompson River Colorado Good 1988 31.6 m 3,225
Supply Ditch Colorado Poor 1937 6.7 m 3,223
Dry Creek Colorado Good 1986 13.3 m 3,219
SQUIRREL CREEK TRIBUTARY Colorado Good 2002 13.4 m 3,219
COTTONWOOD CREEK Colorado Fair 1985 40.2 m 3,214
Colorado River Colorado Fair 1966 91.0 m 3,211
BELLE CREEK Colorado Good 2003 38.1 m 3,208
Local Drainage Colorado Fair 1975 8.8 m 3,207
WILSON GULCH/PED PATH Colorado Good 2010 92.8 m 3,207
I 25 ML Colorado Poor 1988 107.3 m 3,203
US 40 ML & LENA GULCH Colorado Fair 1999 83.7 m 3,200
CONEJOS RIVER Colorado Fair 1929 49.7 m 3,200
DRAW Colorado Good 1985 9.1 m 3,200
MONUMENT CREEK Colorado Fair 1958 8.8 m 3,200
KERBER CREEK Colorado Good 1970 6.4 m 3,200
CONEJOS RIV.OVERFLOW Colorado Poor 1929 28.0 m 3,200
CAHONE CREEK Colorado Fair 1937 13.4 m 3,200
LITTLE CASCADE CREEK Colorado Fair 1980 8.5 m 3,200
FORT MORGAN CANAL Colorado Fair 1940 16.8 m 3,200
NORTH BOULDER CREEK Colorado Fair 1948 7.7 m 3,200
DRAW Colorado Good 1970 7.6 m 3,200
BLUE RIVER Colorado Fair 1961 51.1 m 3,200
ROADWAY GAME UNDERPASS Colorado Good 1977 6.3 m 3,200
DSNG RR Colorado Fair 1977 43.4 m 3,200
E-470 Colorado Good 2001 98.8 m 3,200
UNCOMPAHGRE RIVER Colorado Good 1991 22.6 m 3,187
WILDCAT CANYON Colorado Good 2006 6.6 m 3,182
FARMERS HIGHLINE CANAL Colorado Fair 1930 7.2 m 3,182
CROKE CANAL Colorado Fair 1955 10.7 m 3,181
N. Fork Republican River Colorado Poor 1980 11.0 m 3,169
WEST TOLLGATE CREEK Colorado Good 1979 6.3 m 3,165
I 70 ML Colorado Fair 1965 57.9 m 3,163
HARRIMAN CANAL Colorado Good 1963 11.1 m 3,162
Poudre Valley Canal Colorado Fair 1968 8.3 m 3,151
Sullivan Ditch Colorado Poor 1994 7.8 m 3,128
DRAW AR Colorado Fair 1986 9.5 m 3,128
Davidson Ditch Colorado Fair 1986 6.9 m 3,123
Davidson Ditch Colorado Fair 1973 6.9 m 3,123
Soda Creek Colorado Fair 1950 6.3 m 3,112
COTTONWOOD CREEK Colorado Good 1975 12.4 m 3,110
COTTONWOOD CREEK | PED P Colorado Good 1991 9.4 m 3,107
FRYINGPAN RIVER Colorado Fair 2006 36.5 m 3,101
GREELEY CANAL NO 2 Colorado Fair 1965 6.3 m 3,100
PARACHUTE CREEK SR Colorado Poor 1934 19.0 m 3,100
SANTANA CANAL Colorado Fair 1978 17.1 m 3,100
SOUTH BOULDER CREEK Colorado Fair 1989 10.0 m 3,100

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.