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 |
|---|---|---|---|---|---|
| LAKEWOOD GULCH | Colorado | Good | 2013 | 19.8 m | 1,058 |
| McClellands Channel | Colorado | Good | 2001 | 6.8 m | 1,058 |
| EMPIRE CANAL | Colorado | Fair | 1991 | 21.3 m | 1,052 |
| Last Chance Ditch | Colorado | Fair | 2003 | 11.1 m | 1,052 |
| Crow Creek | Colorado | Fair | 1965 | 9.3 m | 1,051 |
| EATON DRAW | Colorado | Good | 2023 | 21.0 m | 1,050 |
| Cache La Poudre River | Colorado | Good | 1991 | 44.2 m | 1,048 |
| UPPER BEAR CREEK | Colorado | Fair | 1954 | 7.1 m | 1,046 |
| HIGHLINE CANAL | Colorado | Fair | 1993 | 7.0 m | 1,046 |
| TRIB. BIG SALT WASH | Colorado | Fair | 1988 | 6.8 m | 1,045 |
| Rock Creek | Colorado | Fair | 2000 | 23.2 m | 1,043 |
| Big Dry Creek | Colorado | Good | 1995 | 12.1 m | 1,041 |
| Louden Ditch | Colorado | Fair | 1979 | 6.1 m | 1,036 |
| COAL CREEK | Colorado | Fair | 1980 | 6.1 m | 1,034 |
| FOUNTAIN MUTUAL DITCH | Colorado | Fair | 2001 | 6.3 m | 1,034 |
| Loveland Greeley Canal | Colorado | Good | 2000 | 6.5 m | 1,032 |
| SOUTH TURKEY CREEK | Colorado | Good | 2000 | 6.7 m | 1,031 |
| BESSEMER DITCH | Colorado | Good | 1970 | 7.4 m | 1,030 |
| DRY CREEK | Colorado | Fair | 1990 | 15.6 m | 1,028 |
| Sterling Ditch No. 1 | Colorado | Good | 2003 | 7.8 m | 1,027 |
| DRY CREEK | Colorado | Fair | 1984 | 25.3 m | 1,023 |
| Davidson Ditch | Colorado | Good | 1970 | 7.6 m | 1,022 |
| SOUTH TURKEY CREEK | Colorado | Fair | 1991 | 7.7 m | 1,020 |
| BLDR and Whiterock Ditch | Colorado | Fair | 1975 | 6.3 m | 1,018 |
| UNCOMPAHGRE RIVER | Colorado | Fair | 1986 | 21.8 m | 1,014 |
| GUNNISON RIVER | Colorado | Good | 1998 | 103.6 m | 1,013 |
| Crow Creek | Colorado | Fair | 1999 | 14.7 m | 1,012 |
| Greeley Loveland Canal | Colorado | Fair | 1917 | 12.8 m | 1,010 |
| Boulder Feeder Ditch | Colorado | Fair | 1955 | 8.7 m | 1,009 |
| South Platte River | Colorado | Fair | 1965 | 104.9 m | 1,008 |
| I 25 ML | Colorado | Fair | 1963 | 62.8 m | 1,007 |
| GRAND VALLEY CANAL | Colorado | Fair | 1955 | 8.2 m | 1,005 |
| Dry Creek | Colorado | Fair | 1989 | 12.7 m | 1,004 |
| FARMERS UNION LATERAL | Colorado | Fair | 1996 | 8.6 m | 1,002 |
| LIGHTNER CREEK | Colorado | Good | 2013 | 13.2 m | 1,000 |
| TWO MILE CREEK | Colorado | Fair | 1957 | 9.8 m | 1,000 |
| HORSETAIL CREEK | Colorado | Good | 1957 | 11.7 m | 1,000 |
| LODGEPOLE CREEK | Colorado | Good | 2017 | 14.0 m | 1,000 |
| PAWNEE CREEK | Colorado | Fair | 1957 | 37.5 m | 1,000 |
| COTTONWOOD CREEK | Colorado | Fair | 1957 | 8.5 m | 1,000 |
| COTTONWOOD CREEK | Colorado | Fair | 1998 | 39.7 m | 1,000 |
| UP RR | Colorado | Fair | 1999 | 70.0 m | 1,000 |
| SOUTH PLATTE DITCH | Colorado | Good | 1926 | 6.9 m | 1,000 |
| PREWITT OUTLET CANAL | Colorado | Fair | 1941 | 19.1 m | 1,000 |
| PAWNEE CANAL | Colorado | Fair | 1966 | 27.1 m | 1,000 |
| SOUTH PLATTE R OVFLW | Colorado | Fair | 1966 | 124.0 m | 1,000 |
| SOUTH PLATTE RIVER | Colorado | Fair | 1966 | 247.4 m | 1,000 |
| WESTERN FUELS RR | Colorado | Good | 1983 | 9.1 m | 1,000 |
| CHIMNEY ROCK CREEK | Colorado | Fair | 1938 | 7.2 m | 1,000 |
| EGERIA CREEK | Colorado | Fair | 1948 | 13.1 m | 1,000 |
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.