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 |
|---|---|---|---|---|---|
| Sullivan Ditch | Colorado | Fair | 2004 | 14.5 m | 2,282 |
| SULPHUR GULCH | Colorado | Fair | 1998 | 9.1 m | 2,280 |
| Arthur Ditch | Colorado | Good | 2023 | 12.7 m | 2,277 |
| Little Thompson River | Colorado | Good | 2018 | 13.6 m | 2,273 |
| Larimer & Weld Canal | Colorado | Fair | 1970 | 14.5 m | 2,271 |
| ADOBE CREEK | Colorado | Good | 2012 | 15.5 m | 2,268 |
| PERSIGO WASH | Colorado | Good | 1980 | 8.3 m | 2,266 |
| Greeley No. 3 Ditch | Colorado | Fair | 1986 | 8.0 m | 2,263 |
| GOVT HIGHLINE CANAL | Colorado | Fair | 1990 | 16.6 m | 2,259 |
| MT VERNON CREEK | Colorado | Good | 2014 | 20.1 m | 2,257 |
| HOFFMAN DRAINAGE | Colorado | Good | 2017 | 6.6 m | 2,256 |
| SQUIRREL CREEK TRIBUTARY | Colorado | Fair | 2004 | 10.1 m | 2,255 |
| Larimer and Weld Canal | Colorado | Fair | 1954 | 9.1 m | 2,253 |
| Sullivan Ditch | Colorado | Fair | 2003 | 12.6 m | 2,247 |
| RESERVOIR SPILLWAY | Colorado | Fair | 1993 | 17.1 m | 2,246 |
| Platte Valley Canal | Colorado | Fair | 1988 | 9.0 m | 2,244 |
| South Lone Pine Creek | Colorado | Fair | 1967 | 7.7 m | 2,242 |
| Dry Creek | Colorado | Fair | 1985 | 20.7 m | 2,240 |
| HIGHLINE CANAL | Colorado | Fair | 1975 | 7.3 m | 2,235 |
| LITTLE DRY CREEK | Colorado | Fair | 1984 | 21.5 m | 2,227 |
| LOCAL DRAINAGE | Colorado | Good | 2017 | 8.4 m | 2,226 |
| Crystal River | Colorado | Good | 1997 | 71.0 m | 2,225 |
| SQUIRREL CREEK TRIBUTARY | Colorado | Good | 2002 | 13.4 m | 2,223 |
| DOUGLAS CREEK | Colorado | Good | 1984 | 11.5 m | 2,216 |
| Sullivan Ditch | Colorado | Fair | 1950 | 9.4 m | 2,211 |
| JIMMY CAMP CREEK | Colorado | Fair | 1964 | 18.4 m | 2,210 |
| JIMMY CAMP CREEK TRIB. | Colorado | Fair | 1984 | 49.9 m | 2,210 |
| Larimer Co. Canal No. 2 | Colorado | Fair | 1982 | 7.3 m | 2,208 |
| New Cache La Poudre Cana | Colorado | Fair | 2005 | 15.3 m | 2,207 |
| MCMURDO GULCH | Colorado | Good | 2019 | 19.8 m | 2,205 |
| UNION DITCH | Colorado | Good | 2024 | 11.0 m | 2,205 |
| EAGLE RIVER | Colorado | Good | 2005 | 38.4 m | 2,200 |
| RR/PARKING LOT | Colorado | Fair | 1994 | 112.8 m | 2,200 |
| PRIVATE PARKING LOT ACCE | Colorado | Fair | 1994 | 32.3 m | 2,200 |
| UP RR | Colorado | Poor | 1935 | 44.1 m | 2,200 |
| LAKE CREEK | Colorado | Fair | 1948 | 37.8 m | 2,200 |
| S FK SOUTH PLATTE RVR | Colorado | Fair | 1978 | 11.0 m | 2,200 |
| ILLINOIS RIVER | Colorado | Good | 1993 | 12.9 m | 2,200 |
| SEASONAL WASH | Colorado | Good | 2023 | 6.8 m | 2,200 |
| SEASONAL DRAW | Colorado | Good | 2023 | 6.8 m | 2,200 |
| AGATE CREEK | Colorado | Fair | 1937 | 7.6 m | 2,200 |
| CURRANT CREEK | Colorado | Fair | 1967 | 29.9 m | 2,200 |
| LAMAR CANAL | Colorado | Fair | 1987 | 6.7 m | 2,200 |
| GRAVEYARD CREEK | Colorado | Fair | 1923 | 13.8 m | 2,200 |
| First Creek | Colorado | Fair | 1997 | 25.9 m | 2,200 |
| NAVAJO SPRINGS CREEK | Colorado | Fair | 1961 | 42.9 m | 2,200 |
| DRAW | Colorado | Fair | 1961 | 10.3 m | 2,200 |
| ELK CREEK | Colorado | Poor | 1933 | 31.4 m | 2,200 |
| Smith Road & UPRR | Colorado | Fair | 2006 | 109.1 m | 2,200 |
| AZTEC CREEK | Colorado | Fair | 1961 | 26.0 m | 2,200 |
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.