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 |
|---|---|---|---|---|---|
| Pioneer Drainage Ditch | Colorado | Good | 1995 | 10.7 m | 1,364 |
| Larimer County Canal | Colorado | Good | 2004 | 15.2 m | 1,364 |
| BESSEMER DITCH | Colorado | Fair | 1971 | 7.3 m | 1,362 |
| SIDE CREEK | Colorado | Fair | 1981 | 6.3 m | 1,360 |
| Larimer and Weld Canal | Colorado | Fair | 1981 | 14.3 m | 1,352 |
| FOUNTAIN CREEK | Colorado | Fair | 1976 | 7.2 m | 1,350 |
| FARMERS HIGHLINE CANAL | Colorado | Fair | 1967 | 9.2 m | 1,350 |
| Beaver Creek | Colorado | Fair | 1985 | 7.6 m | 1,349 |
| Local Drainage | Colorado | Fair | 1985 | 12.8 m | 1,346 |
| BRUSH CREEK | Colorado | Good | 2001 | 17.1 m | 1,343 |
| BRUSH CREEK | Colorado | Good | 2007 | 18.1 m | 1,343 |
| WINDMILL CREEK | Colorado | Fair | 1995 | 7.8 m | 1,342 |
| LOCAL DRAINAGE | Colorado | Fair | 1983 | 15.5 m | 1,341 |
| COTTONWOOD CREEK | Colorado | Good | 2002 | 27.9 m | 1,340 |
| GORE CREEK | Colorado | Good | 1995 | 18.7 m | 1,338 |
| Boxelder Creek | Colorado | Good | 2005 | 25.1 m | 1,337 |
| Pine Ridge Gulch | Colorado | Fair | 1983 | 16.7 m | 1,331 |
| BUFFALO CREEK | Colorado | Fair | 1950 | 6.4 m | 1,329 |
| Big Dry Creek | Colorado | Fair | 1984 | 9.1 m | 1,326 |
| TOLLGATE CREEK | Colorado | Good | 2011 | 60.2 m | 1,325 |
| Oligarchy Ditch | Colorado | Fair | 1970 | 6.6 m | 1,321 |
| Greeley Loveland Canal | Colorado | Good | 2000 | 8.2 m | 1,319 |
| GRAND VALLEY CANAL | Colorado | Fair | 1983 | 9.1 m | 1,319 |
| KIOWA CREEK | Colorado | Fair | 1995 | 89.0 m | 1,318 |
| UNNAMED DRAINAGE | Colorado | Fair | 2005 | 6.6 m | 1,316 |
| BEAR CREEK TRIB | Colorado | Fair | 1993 | 7.6 m | 1,315 |
| Indian Creek | Colorado | Good | 1996 | 10.1 m | 1,315 |
| CHERRY CREEK | Colorado | Fair | 1958 | 49.7 m | 1,312 |
| Beebe Seep Canal | Colorado | Poor | 1996 | 19.1 m | 1,311 |
| UPPER BEAR CREEK | Colorado | Fair | 1992 | 10.5 m | 1,308 |
| Mamm Creek | Colorado | Fair | 1999 | 9.1 m | 1,308 |
| DALLAS CREEK | Colorado | Fair | 2000 | 13.4 m | 1,308 |
| KING ARROYO | Colorado | Good | 1973 | 25.1 m | 1,307 |
| FOURMILE CREEK | Colorado | Fair | 1998 | 32.5 m | 1,300 |
| UP RR | Colorado | Good | 2000 | 80.6 m | 1,300 |
| GRIZZLY CREEK | Colorado | Fair | 1949 | 25.9 m | 1,300 |
| GRIZZLY CREEK | Colorado | Fair | 1950 | 31.5 m | 1,300 |
| COLORADO CREEK | Colorado | Fair | 1949 | 13.0 m | 1,300 |
| ARAPAHOE CREEK | Colorado | Fair | 1950 | 15.1 m | 1,300 |
| GRIZZLY CREEK | Colorado | Good | 2005 | 17.7 m | 1,300 |
| SOUTH PLATTE RIVER | Colorado | Good | 1995 | 338.9 m | 1,300 |
| CURTIS CREEK | Colorado | Fair | 1958 | 9.8 m | 1,300 |
| CURTIS CREEK | Colorado | Fair | 1959 | 9.8 m | 1,300 |
| I 76 ML | Colorado | Fair | 1959 | 69.0 m | 1,300 |
| KIOWA CREEK | Colorado | Good | 2005 | 105.2 m | 1,300 |
| COMMUNITY DITCH | Colorado | Fair | 1999 | 13.1 m | 1,300 |
| DRAW | Colorado | Fair | 1978 | 28.0 m | 1,300 |
| DRAW | Colorado | Fair | 1975 | 7.6 m | 1,300 |
| DRAW | Colorado | Fair | 1975 | 13.1 m | 1,300 |
| LAKE CREEK | Colorado | Fair | 1975 | 7.4 m | 1,300 |
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.