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 |
|---|---|---|---|---|---|
| TEN MILE CREEK | Colorado | Good | 1970 | 28.4 m | 5,497 |
| Dry Creek No. 1 | Colorado | Fair | 1991 | 9.8 m | 5,490 |
| 1st ST and UPRR | Colorado | Good | 2013 | 59.8 m | 5,474 |
| RR Spur | Colorado | Fair | 2013 | 46.1 m | 5,474 |
| WEIR GULCH | Colorado | Poor | 1970 | 9.8 m | 5,467 |
| Ashcroft Draw | Colorado | Fair | 1965 | 12.4 m | 5,459 |
| Dry Creek | Colorado | Good | 2021 | 25.3 m | 5,457 |
| CHERRY CREEK | Colorado | Good | 1989 | 25.1 m | 5,456 |
| MONTBELLO DITCH | Colorado | Fair | 1999 | 7.6 m | 5,449 |
| Big Thompson River | Colorado | Good | 2009 | 20.4 m | 5,445 |
| BIG DRY CREEK | Colorado | Fair | 1950 | 12.2 m | 5,444 |
| BEAR CREEK | Colorado | Fair | 1980 | 24.4 m | 5,444 |
| BIG DRY CREEK | Colorado | Good | 2001 | 79.3 m | 5,431 |
| BIG DRY CREEK TRIBUTARY | Colorado | Good | 2000 | 15.8 m | 5,431 |
| LOCAL DRAINAGE | Colorado | Fair | 1986 | 8.6 m | 5,429 |
| WEIR GULCH | Colorado | Fair | 1981 | 8.7 m | 5,426 |
| LAKEWOOD GULCH | Colorado | Good | 2001 | 17.1 m | 5,422 |
| LAKEWOOD GULCH | Colorado | Good | 1999 | 16.5 m | 5,422 |
| Local Drainage | Colorado | Good | 2009 | 32.8 m | 5,409 |
| UNNAMED DRAW | Colorado | Fair | 1980 | 30.7 m | 5,402 |
| I 25 ML | Colorado | Good | 2021 | 71.0 m | 5,401 |
| DRAW | Colorado | Fair | 1936 | 21.5 m | 5,400 |
| DRAW | Colorado | Good | 2023 | 6.2 m | 5,400 |
| DRAW | Colorado | Good | 2023 | 6.2 m | 5,400 |
| TWIN CREEK | Colorado | Good | 1937 | 16.1 m | 5,400 |
| BOULDER DIVERSION CANAL | Colorado | Fair | 1976 | 8.0 m | 5,380 |
| Roaring Fork River | Colorado | Fair | 1976 | 51.6 m | 5,353 |
| CHANNEL MD-B SR | Colorado | Good | 2000 | 7.8 m | 5,338 |
| PEDESTRIAN/SKIER | Colorado | Good | 1990 | 8.1 m | 5,331 |
| Big Thompson River | Colorado | Good | 1988 | 39.8 m | 5,310 |
| EAST PLUM CREEK | Colorado | Fair | 1963 | 58.0 m | 5,300 |
| NORTH VETA CREEK | Colorado | Fair | 1927 | 6.4 m | 5,300 |
| SELLARS GULCH | Colorado | Fair | 1999 | 45.8 m | 5,296 |
| Larimer and Weld Canal | Colorado | Fair | 1988 | 15.0 m | 5,291 |
| WEIR GULCH | Colorado | Fair | 1976 | 8.5 m | 5,284 |
| NWP | Colorado | Fair | 2002 | 80.0 m | 5,282 |
| SPRING CREEK | Colorado | Fair | 1975 | 7.6 m | 5,271 |
| New Mercer Canal | Colorado | Good | 1989 | 8.5 m | 5,256 |
| TEMPLETON GAP FLOODWAY | Colorado | Good | 2009 | 32.6 m | 5,256 |
| ARKANSAS RIVER OVFLW | Colorado | Fair | 1963 | 14.6 m | 5,249 |
| LITTLE WILLOW CREEK | Colorado | Poor | 1985 | 10.1 m | 5,248 |
| CROKE CANAL | Colorado | Good | 1995 | 18.6 m | 5,243 |
| ARKANSAS RIVER | Colorado | Fair | 1963 | 128.2 m | 5,240 |
| MONTROSE ARROYO | Colorado | Good | 2006 | 16.0 m | 5,233 |
| SPAULDING CREEK | Colorado | Fair | 1938 | 13.3 m | 5,200 |
| ST CHARLES RIVER | Colorado | Fair | 2010 | 59.3 m | 5,200 |
| I 76 ML | Colorado | Good | 2015 | 69.5 m | 5,200 |
| DRAW | Colorado | Poor | 1934 | 31.3 m | 5,200 |
| ALAMOSA CREEK | Colorado | Fair | 1959 | 32.9 m | 5,200 |
| GRAPE CREEK | Colorado | Fair | 1936 | 35.5 m | 5,200 |
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.