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
RIO SAN ANTONIO Colorado Fair 1938 25.0 m 1,200
TRIBUTARY OF AMITY CANAL Colorado Fair 1960 12.4 m 1,200
IRONDALE GULCH Colorado Fair 2001 6.3 m 1,198
FOUNTAIN CREEK Colorado Fair 1906 6.7 m 1,195
GORE CREEK Colorado Fair 1980 18.6 m 1,191
LOCAL DRAINAGE Colorado Good 1985 15.3 m 1,189
I 70 ML Colorado Good 1965 57.9 m 1,177
I 25 ML and FRONTAGE RD Colorado Fair 1966 82.0 m 1,176
SOUTH ARKANSAS RIVER Colorado Good 1985 10.4 m 1,176
EMPSON DITCH Colorado Fair 2020 9.1 m 1,175
BESSEMER DITCH Colorado Fair 1993 9.7 m 1,174
RIO GRANDE RIVER OVERFLO Colorado Good 1985 9.7 m 1,174
FLORIDA CANAL Colorado Poor 1964 10.1 m 1,172
New Cache La Poudre Cana Colorado Fair 1997 17.9 m 1,172
TUCKER GULCH | TUCKER GU Colorado Fair 1978 33.5 m 1,169
US 160 ML Colorado Fair 1972 69.2 m 1,168
COAL CREEK Colorado Good 1992 14.6 m 1,167
Highland Ditch Colorado Fair 1976 7.5 m 1,163
BLACK SQUIRREL CREEK Colorado Poor 1988 16.4 m 1,163
DRAW SR Colorado Fair 1954 13.4 m 1,162
GOLDSMITH GULCH Colorado Fair 1966 10.1 m 1,158
ROARING FORK RIVER Colorado Fair 1989 36.9 m 1,158
Hansen Feeder Canal Colorado Fair 1989 15.1 m 1,155
I 76 ML BNSF RR Colorado Fair 1983 140.8 m 1,153
DRAW AR Colorado Good 1983 7.3 m 1,153
I-25 ML & LRT Colorado Good 2004 114.5 m 1,153
HAPPY CANYON CREEK | PED Colorado Good 2009 36.6 m 1,145
PARKING LOT Colorado Fair 2017 32.1 m 1,139
PARKING LOT Colorado Fair 2007 30.4 m 1,139
TAYLOR RIVER Colorado Fair 2001 63.9 m 1,133
FOUNTAIN CREEK Colorado Good 2001 12.3 m 1,132
ORCHARD MESA CANAL NO. 2 Colorado Good 2015 8.2 m 1,130
I 25 ML Colorado Good 2021 76.2 m 1,128
Big Thompson River Colorado Fair 1970 46.8 m 1,126
Collins Lateral Canal Colorado Fair 2013 11.6 m 1,126
SANDERSON GULCH Colorado Fair 2019 12.7 m 1,123
Beaver Creek Colorado Fair 1987 34.9 m 1,112
I 70 ML Colorado Fair 1965 57.9 m 1,110
BIG SALT WASH Colorado Fair 1991 15.9 m 1,108
Lower Platte Beaver Cnl Colorado Poor 1965 11.4 m 1,108
South Platte River Colorado Fair 1992 178.3 m 1,108
Tremont Canal Colorado Fair 1997 17.1 m 1,108
MONUMENT CREEK Colorado Fair 1965 18.4 m 1,108
SELLERS GULCH TRIBUTARY Colorado Fair 1992 21.3 m 1,106
LOCAL DRAINAGE Colorado Fair 1980 7.6 m 1,105
I 76 ML Colorado Fair 1978 75.7 m 1,104
North Poudre Canal Colorado Fair 1930 10.9 m 1,103
GORE CREEK Colorado Good 1975 12.5 m 1,101
DRAINAGE Colorado Fair 2011 12.5 m 1,100
DRAINAGE Colorado Poor 1942 9.1 m 1,100

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.