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.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| 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.