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 |
|---|---|---|---|---|---|
| DRAW | Colorado | Good | 1980 | 6.2 m | 430 |
| DOUGLAS CREEK | Colorado | Good | 1984 | 6.4 m | 429 |
| REILLY CANYON CREEK | Colorado | Fair | 1977 | 24.4 m | 429 |
| E HARVARD GULCH | Colorado | Fair | 1967 | 10.0 m | 428 |
| TRIBUTARY TO DRY CREEK | Colorado | Good | 2011 | 6.9 m | 428 |
| Clear Creek Ditch | Colorado | Good | 1992 | 6.7 m | 426 |
| Trib. to Dry Creek | Colorado | Good | 1999 | 7.0 m | 425 |
| RIO GRANDE RIVER | Colorado | Fair | 1974 | 48.8 m | 425 |
| Boulder Feeder Ditch | Colorado | Fair | 1950 | 8.9 m | 422 |
| Willow Creek | Colorado | Fair | 1965 | 12.2 m | 421 |
| NORTH PLATTE RIVER | Colorado | Good | 1986 | 52.3 m | 420 |
| ROAD GULCH | Colorado | Fair | 1947 | 12.8 m | 420 |
| TEXAS CREEK | Colorado | Fair | 1949 | 19.1 m | 420 |
| ROGERS GULCH | Colorado | Fair | 1947 | 6.4 m | 420 |
| LAKE CREEK | Colorado | Fair | 1949 | 7.5 m | 420 |
| ADOBE CREEK | Colorado | Fair | 1957 | 46.9 m | 420 |
| COLT CREEK | Colorado | Good | 1968 | 28.0 m | 420 |
| DRAW | Colorado | Good | 1975 | 9.8 m | 420 |
| DRAW | Colorado | Good | 2011 | 12.9 m | 420 |
| DRAW | Colorado | Good | 2011 | 12.8 m | 420 |
| DRAW | Colorado | Good | 2011 | 6.1 m | 420 |
| FORT LYON CANAL | Colorado | Fair | 1956 | 22.0 m | 420 |
| HORSE CREEK | Colorado | Fair | 1956 | 7.3 m | 420 |
| FORT LYON CANAL | Colorado | Fair | 1956 | 28.7 m | 420 |
| DRAW | Colorado | Good | 1957 | 12.0 m | 420 |
| DRAW | Colorado | Fair | 1957 | 28.0 m | 420 |
| MILLIGAN ARROYO | Colorado | Good | 2018 | 34.3 m | 420 |
| APISHAPA RIVER | Colorado | Fair | 1985 | 58.8 m | 420 |
| MONTE VISTA CANAL | Colorado | Fair | 1950 | 8.1 m | 420 |
| CAT CREEK | Colorado | Fair | 1935 | 12.0 m | 420 |
| DRAW | Colorado | Poor | 1939 | 13.4 m | 420 |
| CONEJOS RIVER | Colorado | Fair | 1965 | 38.4 m | 420 |
| LOS PINOS RIVER | Colorado | Good | 1967 | 8.8 m | 420 |
| WESTERLY CREEK | Colorado | Fair | 1983 | 6.7 m | 419 |
| Larimer Co. Canal No. 2 | Colorado | Fair | 1960 | 7.8 m | 419 |
| RED GULCH | Colorado | Fair | 1985 | 18.7 m | 419 |
| I 70 ML | Colorado | Fair | 1965 | 75.3 m | 419 |
| Cache La Poudre River | Colorado | Good | 1990 | 60.4 m | 419 |
| KIOWA CREEK | Colorado | Fair | 1964 | 45.7 m | 418 |
| GRAND VALLEY CANAL | Colorado | Fair | 1978 | 6.9 m | 417 |
| RED MOUNTAIN CREEK | Colorado | Fair | 1988 | 34.3 m | 417 |
| W FK BLK SQUIRREL CK | Colorado | Fair | 1994 | 30.9 m | 416 |
| SNOWMASS CREEK | Colorado | Fair | 1989 | 9.8 m | 416 |
| N. Fork Big Thompson | Colorado | Good | 2016 | 19.9 m | 415 |
| N. Fork Big Thompson | Colorado | Good | 2016 | 16.2 m | 415 |
| N. Fork Big Thompson | Colorado | Good | 2016 | 17.6 m | 415 |
| N. Fork Big Thompson | Colorado | Good | 2016 | 17.6 m | 415 |
| N. Fork Big Thompson | Colorado | Good | 2016 | 17.6 m | 415 |
| N. Fork Big Thompson | Colorado | Good | 2016 | 19.9 m | 415 |
| UNCOMPAHGRE RIVER | Colorado | Fair | 1960 | 24.5 m | 413 |
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.