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 |
|---|---|---|---|---|---|
| BENTEN ARROYO | Colorado | Fair | 2002 | 48.8 m | 320 |
| Draw | Colorado | Good | 2002 | 12.5 m | 320 |
| CROOKED ARROYO | Colorado | Fair | 1935 | 34.6 m | 320 |
| DRAW | Colorado | Fair | 1935 | 21.5 m | 320 |
| MIDDLE FK PURGATOIRE RVR | Colorado | Fair | 1938 | 14.9 m | 320 |
| WHISKEY CREEK | Colorado | Fair | 1937 | 10.1 m | 320 |
| MIDDLE FK PURGATOIRE RVR | Colorado | Fair | 1938 | 14.9 m | 320 |
| N FK PURGATOIRE RIVER | Colorado | Good | 2024 | 25.5 m | 320 |
| TIMPAS CREEK | Colorado | Fair | 1975 | 46.5 m | 319 |
| South Boulder Creek | Colorado | Fair | 1988 | 11.6 m | 318 |
| Local Drainage | Colorado | Good | 2005 | 9.6 m | 318 |
| WILLOW CREEK | Colorado | Fair | 1988 | 8.6 m | 318 |
| BRANCH OF LANDSMAN CREEK | Colorado | Fair | 1959 | 9.4 m | 318 |
| SANDERSON GULCH | Colorado | Good | 2002 | 10.4 m | 317 |
| N. FORK ST.CHARLES RIVER | Colorado | Fair | 1991 | 29.0 m | 317 |
| St. Vrain Supply Canal | Colorado | Fair | 1997 | 16.5 m | 316 |
| HAPPY CANYON CREEK | Colorado | Good | 1989 | 21.3 m | 316 |
| HIGHLINE CANAL | Colorado | Fair | 1975 | 10.0 m | 316 |
| E. BIJOU CREEK | Colorado | Fair | 1965 | 45.7 m | 315 |
| Jackson Ditch | Colorado | Fair | 1962 | 13.7 m | 315 |
| LOCAL DRAINAGE | Colorado | Fair | 1984 | 6.4 m | 314 |
| GOVT. HIGHLINE CANAL | Colorado | Fair | 1986 | 13.9 m | 314 |
| WILEY DRAINAGE | Colorado | Fair | 1960 | 12.4 m | 314 |
| UNNAMED DRAIN | Colorado | Poor | 1975 | 9.1 m | 314 |
| Sterling Ditch No 1 | Colorado | Good | 1994 | 7.3 m | 313 |
| Big Dry Creek | Colorado | Fair | 1970 | 15.1 m | 313 |
| Little Thompson River | Colorado | Good | 1989 | 27.6 m | 311 |
| NORTH FORK GUNNISON RVR | Colorado | Fair | 1930 | 38.6 m | 310 |
| Local Drainage | Colorado | Poor | 1901 | 6.6 m | 309 |
| GOVNMENT HIGHLINE CANAL | Colorado | Good | 2017 | 27.5 m | 309 |
| Trout Creek | Colorado | Fair | 1985 | 22.6 m | 308 |
| FOUR MILE CREEK | Colorado | Fair | 1989 | 18.3 m | 308 |
| N. Sterling Outlet Canal | Colorado | Fair | 1989 | 16.7 m | 308 |
| Weldon Valley Ditch | Colorado | Good | 2019 | 9.4 m | 308 |
| Catlin Canal | Colorado | Good | 2020 | 9.7 m | 306 |
| DRY CREEK | Colorado | Fair | 1947 | 9.9 m | 305 |
| SAND CREEK | Colorado | Fair | 1950 | 12.2 m | 305 |
| Larimer County Canal | Colorado | Good | 2017 | 19.3 m | 305 |
| LOCAL DRAINAGE | Colorado | Good | 2000 | 8.2 m | 304 |
| EAST SALT CREEK | Colorado | Fair | 1990 | 18.4 m | 304 |
| CATLIN CANAL | Colorado | Fair | 1994 | 21.8 m | 304 |
| Collins Lateral Ditch | Colorado | Fair | 1957 | 9.2 m | 304 |
| Larimer and Weld Canal | Colorado | Poor | 1930 | 12.8 m | 304 |
| LAKE FORK GUNNISON RIVER | Colorado | Fair | 1994 | 21.3 m | 303 |
| DRAINAGE | Colorado | Good | 1999 | 7.9 m | 303 |
| Fortification Creek | Colorado | Fair | 1987 | 20.4 m | 303 |
| Pawnee Ditch | Colorado | Fair | 1996 | 12.2 m | 302 |
| Wildcat Creek | Colorado | Fair | 2020 | 19.5 m | 302 |
| RUNNING CREEK | Colorado | Good | 1990 | 26.0 m | 301 |
| LANDSMAN CREEK | Colorado | Fair | 1972 | 23.9 m | 301 |
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.