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
ROARING FORK RIVER Colorado Fair 1987 42.2 m 2,426
GREELEY NO. 2 CANAL Colorado Fair 2003 9.7 m 2,422
GOLDSMITH GULCH Colorado Good 1972 10.1 m 2,421
Fortification Creek Colorado Good 1985 25.6 m 2,414
Larimer and Weld Canal Colorado Fair 1995 24.8 m 2,412
I 70 ML Colorado Good 1965 57.9 m 2,411
Dry Creek Colorado Good 1997 10.1 m 2,409
STORM DRAINAGE Colorado Fair 1994 8.7 m 2,408
Fish Creek Colorado Fair 1990 15.8 m 2,404
TROUBLESOME CREEK Colorado Good 1996 33.3 m 2,400
MICHIGAN RIVER Colorado Good 2012 18.9 m 2,400
EATON DITCH Colorado Poor 1941 8.8 m 2,400
BRUSH CREEK Colorado Fair 1939 11.8 m 2,400
BOX ELDER CREEK Colorado Fair 2005 143.3 m 2,400
LITTLE THOMPSON RIVER SR Colorado Good 2013 53.8 m 2,400
STINKING WATER CREEK Colorado Fair 1982 23.3 m 2,400
Coalbank Creek Colorado Good 1998 9.0 m 2,396
South Platte River Colorado Fair 1973 164.6 m 2,391
Spring Creek Colorado Good 1998 11.8 m 2,390
ACADEMY BLVD Colorado Fair 1972 82.0 m 2,388
Dry Creek Colorado Poor 1988 12.0 m 2,385
Big Dry Creek Colorado Good 1982 12.0 m 2,378
Lake Canal Colorado Fair 2002 7.4 m 2,377
ARKANSAS RIVER Colorado Fair 1986 42.2 m 2,377
HIGHLINE CANAL Colorado Fair 1988 10.0 m 2,373
Larimer Co Canal No. 2 Colorado Good 2015 9.4 m 2,362
GRAND VALLEY CANAL Colorado Good 2013 17.0 m 2,362
GRAND VALLEY CANAL Colorado Good 2014 9.0 m 2,362
BOX ELDER CREEK Colorado Fair 1997 73.9 m 2,358
Fort Morgan Canal Colorado Fair 1995 9.9 m 2,351
APISHAPA RIVER Colorado Good 1997 98.5 m 2,350
OTERO CANAL Colorado Fair 1998 10.1 m 2,350
APISHAPA RIVER Colorado Poor 1957 99.4 m 2,350
OTERO CANAL Colorado Fair 1957 10.4 m 2,350
SAND CREEK Colorado Good 1995 15.2 m 2,349
Cache La Poudre River Colorado Fair 1957 32.0 m 2,343
Cache La Poudre River Colorado Fair 1957 63.5 m 2,343
84TH AVENUE Colorado Fair 1993 39.2 m 2,342
Fraser River Colorado Good 2019 14.1 m 2,341
COTTONWOOD CREEK Colorado Good 1996 13.2 m 2,336
GRAND VALLEY CANAL Colorado Fair 1962 7.6 m 2,336
BIG DRY CREEK Colorado Good 1971 12.5 m 2,332
COTTONWOOD CREEK TRIB Colorado Fair 1985 6.8 m 2,332
BIG BULL CREEK Colorado Good 1975 7.1 m 2,331
LOCAL DRAINAGE Colorado Fair 1970 10.2 m 2,330
GRAND VALLEY CANAL Colorado Good 2013 11.0 m 2,328
I 70 ML Colorado Poor 1959 69.5 m 2,326
LITTLE SALT WASH Colorado Good 2023 21.3 m 2,325
ARKANSAS RIVER Colorado Fair 1906 39.0 m 2,325
BNSF MAINLIN /W 59TH AVE Colorado Fair 2012 337.9 m 2,325

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.