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 |
|---|---|---|---|---|---|
| Colorado River | Colorado | Fair | 1975 | 71.0 m | 599 |
| KYLE RR AR | Colorado | Fair | 1975 | 48.2 m | 598 |
| LENA GULCH TRIBUTARY | Colorado | Fair | 1978 | 9.0 m | 596 |
| ROCKY FORD CANAL | Colorado | Fair | 1941 | 7.3 m | 596 |
| CORNET CREEK | Colorado | Good | 1988 | 8.2 m | 596 |
| WETLANDS | Colorado | Fair | 2019 | 16.5 m | 595 |
| REILLY CANYON CREEK | Colorado | Poor | 1926 | 19.1 m | 592 |
| IRONSTONE CANAL | Colorado | Good | 1996 | 13.2 m | 591 |
| Buckhorn Creek | Colorado | Good | 2015 | 20.3 m | 591 |
| Buckhorn Creek | Colorado | Good | 2015 | 8.4 m | 591 |
| Buckhorn Creek | Colorado | Good | 2015 | 10.4 m | 591 |
| PARACHUTE CREEK | Colorado | Good | 2015 | 24.1 m | 591 |
| COAL CREEK | Colorado | Fair | 1990 | 14.3 m | 590 |
| IRONSTONE CANAL | Colorado | Poor | 1963 | 9.1 m | 590 |
| Lone Tree Annex Overflow | Colorado | Fair | 1982 | 7.2 m | 588 |
| Four Mile Creek | Colorado | Good | 2019 | 6.9 m | 587 |
| I 25 NBND R | Colorado | Good | 1993 | 189.0 m | 587 |
| SAN MIGUEL RIVER | Colorado | Fair | 1985 | 25.0 m | 586 |
| RALSTON CREEK | Colorado | Fair | 1965 | 6.7 m | 585 |
| Colorado River | Colorado | Fair | 1985 | 92.8 m | 585 |
| N. Fork Big Thompson | Colorado | Good | 2016 | 16.2 m | 585 |
| DRAW | Colorado | Poor | 1949 | 14.6 m | 580 |
| HELL CREEK | Colorado | Fair | 1960 | 47.4 m | 580 |
| DRY CREEK | Colorado | Fair | 1947 | 11.2 m | 580 |
| MONTROSE AND DELTA CANAL | Colorado | Fair | 1925 | 12.6 m | 579 |
| Elk River | Colorado | Fair | 1985 | 35.2 m | 579 |
| PURGATOIRE RIVER | Colorado | Good | 1985 | 61.9 m | 579 |
| Lone Tree Creek | Colorado | Fair | 1998 | 11.9 m | 579 |
| AMITY CANAL | Colorado | Poor | 1979 | 12.3 m | 578 |
| RALSTON CREEK | Colorado | Fair | 1950 | 7.3 m | 576 |
| Buckhorn Creek | Colorado | Good | 2015 | 9.4 m | 576 |
| Boulder & Whiterock Dtch | Colorado | Fair | 1973 | 6.2 m | 574 |
| EAST HARVARD GULCH | Colorado | Good | 1967 | 9.2 m | 574 |
| GORE CREEK | Colorado | Good | 1990 | 13.7 m | 574 |
| FLORIDA RIVER | Colorado | Good | 1994 | 20.0 m | 572 |
| HENRYLYNN CANAL | Colorado | Fair | 2006 | 23.5 m | 572 |
| Boulder Creek | Colorado | Fair | 1983 | 38.6 m | 572 |
| Lone Tree Creek | Colorado | Fair | 1981 | 7.3 m | 572 |
| Larimer and Weld Canal | Colorado | Good | 1992 | 15.0 m | 572 |
| BEAR CREEK | Colorado | Fair | 1970 | 6.1 m | 570 |
| GRAPE CREEK | Colorado | Good | 2018 | 7.3 m | 570 |
| SAND CREEK | Colorado | Fair | 1960 | 59.4 m | 570 |
| DRAW | Colorado | Fair | 1938 | 11.2 m | 570 |
| DRAW | Colorado | Fair | 1938 | 6.4 m | 570 |
| DUCK CREEK | Colorado | Good | 1969 | 23.5 m | 570 |
| BOB CREEK CANAL | Colorado | Fair | 1955 | 14.6 m | 570 |
| POND CREEK | Colorado | Fair | 1978 | 52.7 m | 570 |
| DRAW | Colorado | Good | 1993 | 6.4 m | 570 |
| New Cache La Poudre Cana | Colorado | Fair | 1960 | 7.6 m | 570 |
| Lone Tree Creek | Colorado | Fair | 1981 | 12.1 m | 570 |
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.