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 |
|---|---|---|---|---|---|
| US 6 ML UP RR | Colorado | Fair | 1969 | 70.1 m | 6,500 |
| DENVER ROCK ISLAND RR | Colorado | Good | 2020 | 48.0 m | 6,500 |
| RR CROSSING AND CHANNEL | Colorado | Fair | 1999 | 31.6 m | 6,500 |
| UP RR | Colorado | Fair | 1972 | 43.6 m | 6,500 |
| REDLANDS POWER CANAL | Colorado | Fair | 1950 | 18.3 m | 6,500 |
| REDLANDS POWER CANAL | Colorado | Fair | 1974 | 21.6 m | 6,500 |
| HOOK AND MOOR GLADE | Colorado | Fair | 1966 | 26.3 m | 6,500 |
| DRAW | Colorado | Fair | 1967 | 9.1 m | 6,500 |
| LARAMIE POUDRE CANAL | Colorado | Fair | 1965 | 12.2 m | 6,500 |
| MISSOURI CREEK | Colorado | Good | 2011 | 36.1 m | 6,500 |
| LITTLE THOMPSON RIVER | Colorado | Fair | 1937 | 13.2 m | 6,500 |
| GREELEY CANAL NO 2 | Colorado | Good | 1969 | 9.8 m | 6,500 |
| GREELEY CANAL NO 2 | Colorado | Good | 1969 | 16.2 m | 6,500 |
| GREELEY CANAL NO 2 | Colorado | Fair | 1955 | 9.8 m | 6,500 |
| MISSOURI CREEK | Colorado | Fair | 1967 | 25.0 m | 6,500 |
| UNCOMPAHGRE RIVER | Colorado | Good | 1976 | 46.0 m | 6,500 |
| UNCOMPAGRE RIVER | Colorado | Good | 2002 | 45.9 m | 6,500 |
| GUNNISON RIVER | Colorado | Fair | 1966 | 93.8 m | 6,500 |
| CO RD 103 BUTTE CREEK | Colorado | Good | 2018 | 79.2 m | 6,500 |
| KIOWA CREEK | Colorado | Fair | 1993 | 118.4 m | 6,500 |
| KIOWA CREEK | Colorado | Good | 1993 | 118.4 m | 6,500 |
| ALKALI CREEK | Colorado | Fair | 1934 | 7.1 m | 6,491 |
| ACC RD-RR | CLEAR CREEK | Colorado | Fair | 1971 | 73.8 m | 6,488 |
| New Mercer Ditch | Colorado | Fair | 1965 | 6.4 m | 6,487 |
| I25 DRGWRR FOUNTAIN CRK | Colorado | Fair | 1928 | 315.1 m | 6,482 |
| GOVT. HIGHLINE CANAL | Colorado | Fair | 1963 | 22.0 m | 6,481 |
| Sand Creek | Colorado | Fair | 1967 | 29.1 m | 6,476 |
| LOCAL DRAINAGE | Colorado | Fair | 2016 | 9.9 m | 6,463 |
| WEST TOLLGATE CREEK | Colorado | Fair | 2000 | 15.4 m | 6,440 |
| RALSTON CREEK | RALSTON | Colorado | Fair | 1975 | 45.4 m | 6,422 |
| Larimer & Weld Canal | Colorado | Fair | 2016 | 17.5 m | 6,416 |
| N. FORK S. PLATTE RIVER | Colorado | Fair | 1962 | 13.4 m | 6,400 |
| SHELTON DITCH | Colorado | Poor | 1954 | 6.8 m | 6,400 |
| GENEVA CREEK | Colorado | Fair | 1989 | 11.1 m | 6,400 |
| BOULDER CREEK | Colorado | Fair | 1953 | 30.5 m | 6,400 |
| BOULDER CREEK | Colorado | Fair | 1953 | 36.7 m | 6,400 |
| EAST SAND CREEK | Colorado | Fair | 1977 | 67.6 m | 6,398 |
| I25 ML & LRT | Colorado | Fair | 2003 | 66.1 m | 6,374 |
| SLAUGHTERHOUSE GULCH | Colorado | Fair | 1998 | 6.3 m | 6,372 |
| North Poudre Canal | Colorado | Good | 2024 | 13.4 m | 6,368 |
| NERES CANAL | Colorado | Fair | 1989 | 20.5 m | 6,361 |
| BRANDY GULCH | BRANDY GU | Colorado | Good | 2021 | 31.4 m | 6,360 |
| TEMPLETON GAP FLOODWAY | Colorado | Good | 2009 | 59.5 m | 6,359 |
| US 36 ML | Colorado | Good | 2001 | 95.6 m | 6,346 |
| Cache La Poudre River | Colorado | Fair | 1972 | 32.2 m | 6,341 |
| I 25 ML | Colorado | Good | 2022 | 68.9 m | 6,317 |
| CHERRY CREEK | Colorado | Fair | 1925 | 26.8 m | 6,301 |
| UP RR | Colorado | Fair | 1990 | 75.0 m | 6,300 |
| COLORADO RIVER | Colorado | Good | 1999 | 30.0 m | 6,300 |
| COLORADO RIVER OVERFLOW | Colorado | Fair | 1999 | 30.0 m | 6,300 |
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.