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 |
|---|---|---|---|---|---|
| SUGAR WASH | Colorado | Fair | 1987 | 15.3 m | 62 |
| IRONSTONE CANAL | Colorado | Good | 1992 | 13.2 m | 62 |
| ALAMOSA RIVER | Colorado | Fair | 2000 | 10.2 m | 62 |
| SANCHEZ CANAL | Colorado | Fair | 1993 | 18.3 m | 62 |
| WILSON CREEK | Colorado | Fair | 1964 | 54.9 m | 62 |
| BIG SANDY CREEK | Colorado | Fair | 1965 | 18.6 m | 62 |
| MUDDY CREEK | Colorado | Good | 1980 | 38.4 m | 62 |
| CHICOSA CANYON CREEK | Colorado | Fair | 1999 | 6.7 m | 62 |
| South Platte River | Colorado | Poor | 1984 | 36.5 m | 62 |
| TARRYALL CREEK | Colorado | Fair | 1970 | 14.9 m | 62 |
| Platte Valley Canal | Colorado | Good | 1981 | 11.9 m | 62 |
| AMITY CANAL | Colorado | Fair | 1991 | 12.6 m | 62 |
| RIO GRANDE CANAL | Colorado | Fair | 1940 | 10.6 m | 62 |
| FOURMILE CREEK | Colorado | Fair | 1985 | 15.5 m | 62 |
| New Cache La Poudre Cana | Colorado | Fair | 2007 | 10.5 m | 62 |
| TRIB. OF CIMARRON RIVER | Colorado | Fair | 2018 | 10.1 m | 61 |
| WEST PLUM CREEK TRIBUTAR | Colorado | Good | 1998 | 12.8 m | 61 |
| BIJOU CREEK TRIBUTARY | Colorado | Fair | 1965 | 12.2 m | 61 |
| ADOBE CREEK | Colorado | Fair | 1989 | 8.0 m | 61 |
| LANDSMAN CREEK TRIB. | Colorado | Good | 1985 | 12.5 m | 61 |
| N. Sterling Inlet Canal | Colorado | Fair | 1940 | 11.1 m | 61 |
| Handy Ditch | Colorado | Good | 1980 | 7.6 m | 61 |
| E. FORK BIG SALT WASH | Colorado | Fair | 1991 | 12.6 m | 61 |
| Larimer and Weld Canal | Colorado | Fair | 2010 | 12.2 m | 61 |
| CONEJOS RIVER DIVERSION | Colorado | Good | 2024 | 27.2 m | 60 |
| SPRING CREEK | Colorado | Fair | 1992 | 10.2 m | 60 |
| BIG SANDY CREEK TRIB | Colorado | Good | 1995 | 8.4 m | 60 |
| CUCHARAS RIVER | Colorado | Fair | 1992 | 34.2 m | 60 |
| N Sterling Outlet Canal | Colorado | Fair | 1991 | 12.4 m | 60 |
| Lay Creek | Colorado | Fair | 1960 | 11.1 m | 60 |
| CATLIN CANAL | Colorado | Fair | 1954 | 11.1 m | 60 |
| FARMERS UNION CANAL | Colorado | Fair | 1940 | 17.3 m | 60 |
| Cottonwood Creek | Colorado | Good | 1989 | 23.6 m | 60 |
| FALL CREEK | Colorado | Fair | 1961 | 9.4 m | 60 |
| Western Mutual Ditch | Colorado | Fair | 2005 | 8.2 m | 60 |
| Colorado River | Colorado | Fair | 1990 | 32.8 m | 59 |
| LOST CREEK | Colorado | Good | 1997 | 12.2 m | 59 |
| Boulder Creek | Colorado | Fair | 1960 | 23.4 m | 59 |
| RIO SAN ANTONIO | Colorado | Poor | 1976 | 18.5 m | 59 |
| N. BRANCH CONEJOS RIVER | Colorado | Fair | 1989 | 12.7 m | 59 |
| I 70 ML | Colorado | Fair | 1971 | 62.2 m | 59 |
| PURGATOIRE RIVER | Colorado | Fair | 1994 | 52.4 m | 59 |
| APISHAPA RIVER | Colorado | Fair | 1993 | 21.3 m | 59 |
| ARKANSAS RIVER | Colorado | Fair | 1986 | 18.3 m | 59 |
| Pawnee Creek | Colorado | Fair | 1991 | 33.6 m | 59 |
| Reymer Creek | Colorado | Fair | 1993 | 34.1 m | 59 |
| N. Poudre Canal/Park Cr. | Colorado | Fair | 1970 | 8.4 m | 59 |
| Riverside Canal | Colorado | Good | 2011 | 18.4 m | 59 |
| TRIBUTARY OF AMITY CANAL | Colorado | Poor | 1986 | 9.9 m | 59 |
| FERN CREEK | Colorado | Fair | 1966 | 37.2 m | 58 |
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.