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 50 ML | Colorado | Fair | 1959 | 67.9 m | 2,099 |
| I 76 ML R | Colorado | Fair | 1995 | 106.7 m | 2,099 |
| COTTONWOOD CREEK | Colorado | Fair | 1997 | 9.0 m | 2,098 |
| Larimer Co. Canal No. 2 | Colorado | Fair | 1972 | 6.7 m | 2,097 |
| Importation Channel | Colorado | Fair | 1992 | 8.9 m | 2,097 |
| PURGATOIRE RIVER | Colorado | Good | 1993 | 50.3 m | 2,095 |
| Gilmore Ditch | Colorado | Poor | 1981 | 7.3 m | 2,095 |
| FLORIDA RIVER | Colorado | Fair | 1983 | 16.6 m | 2,095 |
| COAL CREEK | Colorado | Fair | 1916 | 13.7 m | 2,092 |
| BLUE RIVER | Colorado | Fair | 1981 | 31.4 m | 2,091 |
| LOCAL DRAINAGE | Colorado | Fair | 2007 | 10.3 m | 2,091 |
| PURGATOIRE RIVER | Colorado | Fair | 1962 | 68.6 m | 2,088 |
| Boulder Feeder Canal | Colorado | Good | 2010 | 11.3 m | 2,084 |
| FOUNTAIN CREEK | Colorado | Fair | 2003 | 12.9 m | 2,079 |
| EAST FORK SAND CREEK | Colorado | Fair | 2006 | 13.2 m | 2,073 |
| VAN BIBBER CREEK | Colorado | Good | 2001 | 20.1 m | 2,067 |
| UNNAMED DRAW | Colorado | Fair | 2008 | 8.8 m | 2,061 |
| Elk River | Colorado | Fair | 1981 | 24.1 m | 2,058 |
| DEER CREEK | Colorado | Fair | 1969 | 12.5 m | 2,056 |
| COON CREEK | Colorado | Fair | 1975 | 6.4 m | 2,054 |
| I 70 ML | Colorado | Fair | 1977 | 84.3 m | 2,053 |
| BLACK SQUIRREL CREEK | Colorado | Fair | 1996 | 36.6 m | 2,050 |
| BRANCH SQUIRREL CREEK | Colorado | Fair | 1995 | 18.8 m | 2,048 |
| GRAND VALLEY CANAL | Colorado | Fair | 1959 | 7.3 m | 2,048 |
| HIGHLINE CANAL | Colorado | Fair | 1999 | 15.7 m | 2,042 |
| Latham Ditch | Colorado | Fair | 1998 | 9.0 m | 2,042 |
| Fort Morgan Canal | Colorado | Fair | 1993 | 9.7 m | 2,038 |
| COTTONWOOD CREEK | Colorado | Fair | 1991 | 16.7 m | 2,037 |
| Saint Vrain Creek Ovrflw | Colorado | Good | 2018 | 42.9 m | 2,031 |
| Saint Vrain Creek | Colorado | Fair | 2006 | 29.2 m | 2,031 |
| GOLDSMITH GULCH | Colorado | Fair | 1985 | 10.3 m | 2,030 |
| PARKING LOT | Colorado | Fair | 1993 | 28.3 m | 2,030 |
| W. FORK SAND CREEK | Colorado | Fair | 2000 | 15.4 m | 2,025 |
| HILLSBORO TRIBUTARY | Colorado | Good | 2023 | 29.3 m | 2,023 |
| WEST FORK SQUIRREL CREEK | Colorado | Fair | 1991 | 8.0 m | 2,020 |
| LOCAL DRAINAGE | Colorado | Fair | 2005 | 9.9 m | 2,019 |
| DRAINAGE CANAL | Colorado | Fair | 1986 | 6.3 m | 2,018 |
| MAIN STREAM | Colorado | Fair | 1982 | 7.5 m | 2,018 |
| Poudre Valley Canal | Colorado | Good | 2003 | 6.6 m | 2,015 |
| EAST TOLLGATE CREEK | Colorado | Fair | 2004 | 6.3 m | 2,015 |
| Larimer County Canal | Colorado | Fair | 1979 | 13.9 m | 2,014 |
| EAST PLUM CREEK | Colorado | Good | 2008 | 54.9 m | 2,011 |
| LAKEWOOD GULCH | Colorado | Fair | 1997 | 13.6 m | 2,008 |
| SOUTH DOUGLAS CREEK | Colorado | Good | 1984 | 12.8 m | 2,007 |
| CAMP CREEK | Colorado | Fair | 1955 | 7.4 m | 2,002 |
| E-470 | Colorado | Good | 1990 | 93.3 m | 2,000 |
| SIX MILE CREEK | Colorado | Poor | 1942 | 19.5 m | 2,000 |
| PLATEAU CREEK | Colorado | Fair | 1965 | 57.0 m | 2,000 |
| E-470 | Colorado | Good | 2004 | 93.3 m | 2,000 |
| I 70 ML | Colorado | Good | 1986 | 47.4 m | 2,000 |
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.