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 |
|---|---|---|---|---|---|
| Big Thompson River | Colorado | Fair | 1966 | 22.2 m | 8,892 |
| CHEYENNE CREEK | Colorado | Fair | 2004 | 12.9 m | 8,874 |
| FISHERS CANYON CREEK | Colorado | Fair | 1980 | 6.1 m | 8,871 |
| 84TH AVENUE | Colorado | Good | 2014 | 133.7 m | 8,856 |
| OBRIAN CANAL | Colorado | Good | 2013 | 22.0 m | 8,829 |
| GRAND VALLEY CANAL | Colorado | Good | 1996 | 14.6 m | 8,822 |
| Big Thompson River | Colorado | Good | 1999 | 49.6 m | 8,814 |
| GOVERNMENT CREEK | Colorado | Good | 1987 | 10.9 m | 8,800 |
| SAN JUAN RIVER | Colorado | Fair | 1962 | 57.5 m | 8,800 |
| US 34 BYPASS | Colorado | Good | 1999 | 73.4 m | 8,800 |
| US 34 BYPASS | Colorado | Good | 1999 | 80.5 m | 8,800 |
| Speer Canal | Colorado | Good | 2023 | 8.5 m | 8,798 |
| BIG DRY CREEK | Colorado | Fair | 1995 | 9.1 m | 8,778 |
| Cache La Poudre River | Colorado | Fair | 1986 | 51.8 m | 8,737 |
| Fossil Creek Res. Inlet | Colorado | Good | 1988 | 8.1 m | 8,732 |
| STRAIGHT CREEK | Colorado | Good | 1989 | 14.4 m | 8,716 |
| EAST LAKE CREEK | Colorado | Good | 2017 | 31.2 m | 8,700 |
| MARTINEZ CREEK | Colorado | Fair | 1972 | 16.5 m | 8,700 |
| JIMMY CAMP CREEK | Colorado | Fair | 1992 | 112.0 m | 8,686 |
| Cache La Poudre River | Colorado | Good | 2015 | 58.6 m | 8,674 |
| BIG DRY CREEK | BIG DRY | Colorado | Fair | 2009 | 31.4 m | 8,654 |
| CLEAR CREEK | Colorado | Good | 1999 | 31.7 m | 8,647 |
| EAST FORK SAND CREEK | Colorado | Fair | 1985 | 9.6 m | 8,646 |
| South Platte River | Colorado | Good | 1990 | 181.5 m | 8,636 |
| Pond Adj So Platte River | Colorado | Good | 2016 | 6.1 m | 8,636 |
| KETTLE CREEK | Colorado | Good | 1988 | 42.3 m | 8,618 |
| SELLARS GULCH | Colorado | Fair | 1998 | 37.4 m | 8,618 |
| EAST PLUM CREEK TRIBUTAR | Colorado | Good | 1987 | 6.1 m | 8,602 |
| DRAW | Colorado | Good | 1976 | 11.6 m | 8,600 |
| DRAW | Colorado | Poor | 1957 | 6.2 m | 8,600 |
| DRAW | Colorado | Good | 1976 | 12.6 m | 8,600 |
| LOS PINOS RIVER | Colorado | Fair | 1962 | 62.2 m | 8,600 |
| BNSF RR AR | Colorado | Poor | 1953 | 77.1 m | 8,600 |
| South Platte River | Colorado | Good | 2016 | 183.2 m | 8,581 |
| SH 470 ML | Colorado | Fair | 1989 | 89.8 m | 8,569 |
| Greeley Loveland Canal | Colorado | Good | 2019 | 7.3 m | 8,538 |
| Cache La Poudre River | Colorado | Good | 2016 | 282.1 m | 8,531 |
| RAILROAD | Colorado | Good | 1996 | 35.7 m | 8,515 |
| WOLF CREEK | Colorado | Good | 1993 | 34.8 m | 8,500 |
| HILLSIDE | Colorado | Fair | 1986 | 67.1 m | 8,500 |
| I70 RAMP RR COLO RVR | Colorado | Good | 1992 | 217.8 m | 8,500 |
| I 25 ML | Colorado | Poor | 1958 | 84.1 m | 8,500 |
| UP RR | Colorado | Fair | 1975 | 62.9 m | 8,500 |
| WAGON GULCH | Colorado | Fair | 1988 | 61.5 m | 8,500 |
| DEER PARK DEPRESSION | Colorado | Fair | 1984 | 67.4 m | 8,500 |
| COLORADO RIVER | Colorado | Poor | 1980 | 133.6 m | 8,500 |
| COLORADO RIVER | Colorado | Fair | 1985 | 302.1 m | 8,500 |
| CRYSTAL CREEK | Colorado | Fair | 1927 | 11.0 m | 8,500 |
| COLORADO RIVER | Colorado | Fair | 1992 | 461.9 m | 8,500 |
| FRENCH CREEK | Colorado | Good | 1989 | 955.1 m | 8,500 |
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.