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 |
|---|---|---|---|---|---|
| FLORIDA RIVER | Colorado | Fair | 1982 | 24.5 m | 3,235 |
| BRANTNER GULCH | Colorado | Good | 1986 | 6.6 m | 3,234 |
| NORTH CREEK DRAINAGE | Colorado | Good | 2020 | 8.3 m | 3,231 |
| RESERVOIR CANAL | Colorado | Fair | 1975 | 9.6 m | 3,225 |
| Little Thompson River | Colorado | Good | 1988 | 31.6 m | 3,225 |
| Supply Ditch | Colorado | Poor | 1937 | 6.7 m | 3,223 |
| Dry Creek | Colorado | Good | 1986 | 13.3 m | 3,219 |
| SQUIRREL CREEK TRIBUTARY | Colorado | Good | 2002 | 13.4 m | 3,219 |
| COTTONWOOD CREEK | Colorado | Fair | 1985 | 40.2 m | 3,214 |
| Colorado River | Colorado | Fair | 1966 | 91.0 m | 3,211 |
| BELLE CREEK | Colorado | Good | 2003 | 38.1 m | 3,208 |
| Local Drainage | Colorado | Fair | 1975 | 8.8 m | 3,207 |
| WILSON GULCH/PED PATH | Colorado | Good | 2010 | 92.8 m | 3,207 |
| I 25 ML | Colorado | Poor | 1988 | 107.3 m | 3,203 |
| US 40 ML & LENA GULCH | Colorado | Fair | 1999 | 83.7 m | 3,200 |
| CONEJOS RIVER | Colorado | Fair | 1929 | 49.7 m | 3,200 |
| DRAW | Colorado | Good | 1985 | 9.1 m | 3,200 |
| MONUMENT CREEK | Colorado | Fair | 1958 | 8.8 m | 3,200 |
| KERBER CREEK | Colorado | Good | 1970 | 6.4 m | 3,200 |
| CONEJOS RIV.OVERFLOW | Colorado | Poor | 1929 | 28.0 m | 3,200 |
| CAHONE CREEK | Colorado | Fair | 1937 | 13.4 m | 3,200 |
| LITTLE CASCADE CREEK | Colorado | Fair | 1980 | 8.5 m | 3,200 |
| FORT MORGAN CANAL | Colorado | Fair | 1940 | 16.8 m | 3,200 |
| NORTH BOULDER CREEK | Colorado | Fair | 1948 | 7.7 m | 3,200 |
| DRAW | Colorado | Good | 1970 | 7.6 m | 3,200 |
| BLUE RIVER | Colorado | Fair | 1961 | 51.1 m | 3,200 |
| ROADWAY GAME UNDERPASS | Colorado | Good | 1977 | 6.3 m | 3,200 |
| DSNG RR | Colorado | Fair | 1977 | 43.4 m | 3,200 |
| E-470 | Colorado | Good | 2001 | 98.8 m | 3,200 |
| UNCOMPAHGRE RIVER | Colorado | Good | 1991 | 22.6 m | 3,187 |
| WILDCAT CANYON | Colorado | Good | 2006 | 6.6 m | 3,182 |
| FARMERS HIGHLINE CANAL | Colorado | Fair | 1930 | 7.2 m | 3,182 |
| CROKE CANAL | Colorado | Fair | 1955 | 10.7 m | 3,181 |
| N. Fork Republican River | Colorado | Poor | 1980 | 11.0 m | 3,169 |
| WEST TOLLGATE CREEK | Colorado | Good | 1979 | 6.3 m | 3,165 |
| I 70 ML | Colorado | Fair | 1965 | 57.9 m | 3,163 |
| HARRIMAN CANAL | Colorado | Good | 1963 | 11.1 m | 3,162 |
| Poudre Valley Canal | Colorado | Fair | 1968 | 8.3 m | 3,151 |
| Sullivan Ditch | Colorado | Poor | 1994 | 7.8 m | 3,128 |
| DRAW AR | Colorado | Fair | 1986 | 9.5 m | 3,128 |
| Davidson Ditch | Colorado | Fair | 1986 | 6.9 m | 3,123 |
| Davidson Ditch | Colorado | Fair | 1973 | 6.9 m | 3,123 |
| Soda Creek | Colorado | Fair | 1950 | 6.3 m | 3,112 |
| COTTONWOOD CREEK | Colorado | Good | 1975 | 12.4 m | 3,110 |
| COTTONWOOD CREEK | PED P | Colorado | Good | 1991 | 9.4 m | 3,107 |
| FRYINGPAN RIVER | Colorado | Fair | 2006 | 36.5 m | 3,101 |
| GREELEY CANAL NO 2 | Colorado | Fair | 1965 | 6.3 m | 3,100 |
| PARACHUTE CREEK SR | Colorado | Poor | 1934 | 19.0 m | 3,100 |
| SANTANA CANAL | Colorado | Fair | 1978 | 17.1 m | 3,100 |
| SOUTH BOULDER CREEK | Colorado | Fair | 1989 | 10.0 m | 3,100 |
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.