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 |
|---|---|---|---|---|---|
| Boulder Feeder Ditch | Colorado | Good | 1987 | 8.8 m | 692 |
| GUNBARREL CREEK | GUN BA | Colorado | Good | 2006 | 6.5 m | 692 |
| DALLAS CREEK | Colorado | Fair | 2000 | 12.2 m | 692 |
| New Cache La Poudre Cana | Colorado | Fair | 1986 | 15.5 m | 691 |
| ILIFF DRAIN DITCH | Colorado | Good | 1978 | 9.1 m | 690 |
| LEWIS CREEK | Colorado | Fair | 1993 | 13.0 m | 690 |
| POWELL DITCH | Colorado | Fair | 1930 | 6.7 m | 690 |
| STRAWBERRY CREEK | Colorado | Good | 2022 | 24.2 m | 690 |
| Conn Creek | Colorado | Good | 2009 | 6.7 m | 690 |
| KYLE RR AR | Colorado | Fair | 1974 | 43.6 m | 689 |
| UNCOMPAHGRE RIVER | Colorado | Fair | 1965 | 22.0 m | 687 |
| GRAND VALLEY CANAL | Colorado | Fair | 1984 | 7.9 m | 686 |
| SAN MIGUEL RIVER | Colorado | Fair | 2001 | 13.6 m | 685 |
| MAMM CREEK | Colorado | Fair | 1984 | 34.0 m | 684 |
| BRUSH HOLLOW CREEK | Colorado | Fair | 1928 | 18.4 m | 683 |
| APISHAPA RIVER | Colorado | Fair | 1948 | 43.0 m | 683 |
| Buckhorn Creek | Colorado | Good | 2015 | 24.4 m | 682 |
| Big Dry Creek | Colorado | Fair | 1995 | 12.0 m | 682 |
| I 70 ML | Colorado | Fair | 1983 | 105.2 m | 680 |
| DRAW SR | Colorado | Good | 1954 | 6.4 m | 680 |
| BESSEMER DITCH | Colorado | Fair | 1939 | 12.3 m | 679 |
| UNCOMPAHGRE RIVER | Colorado | Good | 2001 | 29.0 m | 676 |
| CLEAR CREEK | Colorado | Fair | 1993 | 9.8 m | 675 |
| Yampa River | Colorado | Fair | 1988 | 32.0 m | 674 |
| COAL CREEK | Colorado | Fair | 1980 | 10.5 m | 674 |
| N. Fork Big Thompson R. | Colorado | Good | 2016 | 18.3 m | 674 |
| I 70 ML | Colorado | Fair | 1981 | 136.7 m | 671 |
| SPRING CREEK | Colorado | Fair | 1949 | 32.2 m | 670 |
| FLETCHERS GULCH | Colorado | Fair | 1949 | 29.1 m | 670 |
| HAMMOND DRAW | Colorado | Fair | 1949 | 22.7 m | 670 |
| DRAW | Colorado | Good | 2000 | 6.4 m | 670 |
| YELLOW CREEK | Colorado | Good | 1997 | 13.3 m | 670 |
| DRAW | Colorado | Fair | 1948 | 10.4 m | 670 |
| Wildcat Creek | Colorado | Fair | 1982 | 15.7 m | 670 |
| W FORK CLEAR CREEK SR | Colorado | Good | 2000 | 24.3 m | 668 |
| TEN MILE CREEK | Colorado | Fair | 1965 | 19.0 m | 667 |
| COTTONWOOD CREEK SR | Colorado | Fair | 1981 | 7.6 m | 667 |
| N. Fork Big Thompson | Colorado | Fair | 2016 | 17.6 m | 667 |
| Elmers Two Mile Ditch | Colorado | Fair | 1965 | 10.7 m | 666 |
| SANDERSON GULCH | Colorado | Fair | 2017 | 12.9 m | 666 |
| Coal Creek | Colorado | Fair | 1980 | 15.1 m | 665 |
| Goose Creek | Colorado | Good | 1980 | 13.7 m | 664 |
| I 70 ML AR | Colorado | Fair | 1965 | 61.0 m | 664 |
| Bear Crk and Bike Path | Colorado | Fair | 1995 | 10.0 m | 662 |
| Yampa River | Colorado | Good | 1984 | 32.0 m | 660 |
| Obrian Canal | Colorado | Good | 2002 | 46.5 m | 660 |
| New Mercer Canal | Colorado | Fair | 1968 | 9.5 m | 660 |
| CLEAR CREEK SR | Colorado | Fair | 1965 | 30.5 m | 657 |
| NORTH CHEYENNE CREEK | Colorado | Good | 2022 | 13.2 m | 655 |
| Unnamed Drain | Colorado | Good | 2015 | 26.4 m | 654 |
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.