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 |
|---|---|---|---|---|---|
| PRIMERO CANYON | Colorado | Good | 1978 | 14.6 m | 520 |
| Peterson Ditch | Colorado | Fair | 1988 | 7.7 m | 520 |
| Cache La Poudre Canal | Colorado | Fair | 2004 | 9.4 m | 520 |
| ANIMAS RVR OVF ELBERT CR | Colorado | Fair | 1989 | 30.4 m | 519 |
| FOUR MILE CREEK | Colorado | Good | 2013 | 25.3 m | 519 |
| HOLLY SEEP | Colorado | Poor | 1940 | 9.7 m | 519 |
| Platte Valley Canal | Colorado | Fair | 1968 | 10.4 m | 518 |
| LENA GULCH | Colorado | Good | 1986 | 13.2 m | 514 |
| Yampa River | Colorado | Fair | 1978 | 58.5 m | 513 |
| SOUTH ARKANSAS RIVER | Colorado | Fair | 1991 | 12.9 m | 513 |
| COLORADO RIVER | Colorado | Good | 1988 | 51.8 m | 513 |
| Crow Creek | Colorado | Fair | 1995 | 15.0 m | 512 |
| GREEN BELT FLOODWAY | Colorado | Good | 1975 | 10.2 m | 511 |
| ARKANSAS RIVER | Colorado | Fair | 1949 | 128.9 m | 510 |
| WOLF CREEK | Colorado | Good | 2003 | 81.1 m | 510 |
| LONE TREE ARROYO | Colorado | Good | 2024 | 15.8 m | 510 |
| HIGHLINE CANAL | Colorado | Good | 2021 | 13.0 m | 510 |
| GOVT. HIGHLINE CANAL | Colorado | Good | 2022 | 20.7 m | 510 |
| Bear Creek | Colorado | Fair | 1980 | 7.5 m | 508 |
| LOCAL DRAINAGE | Colorado | Good | 2001 | 6.1 m | 507 |
| Larimer Co. Canal No. 2 | Colorado | Fair | 1955 | 6.9 m | 506 |
| McClellands Channel | Colorado | Good | 2002 | 6.8 m | 506 |
| PLUM CREEK | Colorado | Fair | 2004 | 98.1 m | 505 |
| Sterling No 1 Ditch | Colorado | Fair | 1950 | 7.3 m | 505 |
| WOLF CREEK | Colorado | Fair | 1988 | 22.6 m | 503 |
| COAL CREEK | Colorado | Fair | 1987 | 15.5 m | 503 |
| Watkins-Lessing Ditch | Colorado | Fair | 2012 | 12.3 m | 503 |
| St. Vrain Creek | Colorado | Fair | 1981 | 31.6 m | 502 |
| NORTH COTTONWOOD CREEK | Colorado | Good | 2001 | 8.8 m | 502 |
| CLEAR CREEK | Colorado | Fair | 1973 | 18.3 m | 502 |
| Fall River | Colorado | Fair | 1983 | 9.5 m | 501 |
| GLACIER CREEK | Colorado | Good | 2004 | 14.6 m | 500 |
| DRAINAGE DITCH | Colorado | Fair | 2000 | 9.8 m | 500 |
| DRAINAGE DITCH | Colorado | Good | 2009 | 8.5 m | 500 |
| C Ditch | Colorado | Fair | 2009 | 7.2 m | 500 |
| Clover Ditch | Colorado | Fair | 1972 | 6.3 m | 500 |
| QUARTZ CREEK | Colorado | Fair | 1990 | 15.8 m | 499 |
| SMITH FORK | Colorado | Fair | 1985 | 10.0 m | 498 |
| LITTLE DRY CREEK | Colorado | Fair | 1954 | 14.6 m | 498 |
| QUARTZ CREEK | Colorado | Fair | 1998 | 14.0 m | 498 |
| GRAND VALLEY CANAL | Colorado | Fair | 1985 | 7.1 m | 494 |
| CLEAR CREEK | Colorado | Fair | 1995 | 9.1 m | 493 |
| Coal Creek | Colorado | Fair | 1992 | 20.1 m | 492 |
| BEAR CREEK TRIBUTARY | Colorado | Fair | 1955 | 6.4 m | 491 |
| OAK CREEK | Colorado | Poor | 1993 | 14.9 m | 491 |
| MICHIGAN RIVER | Colorado | Fair | 1978 | 7.8 m | 490 |
| JOE WRIGHT CREEK | Colorado | Fair | 1976 | 32.0 m | 490 |
| I 70 ML | Colorado | Fair | 1972 | 71.0 m | 489 |
| COAL CREEK | Colorado | Good | 2016 | 15.8 m | 488 |
| Willow Creek | Colorado | Fair | 1950 | 16.2 m | 487 |
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.