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 |
|---|---|---|---|---|---|
| I25 E470 ML RAMPS | Colorado | Good | 2003 | 384.8 m | 830 |
| N.POUDRE DITCH SAND C SR | Colorado | Good | 1967 | 13.4 m | 822 |
| STEELS FORK CREEK | Colorado | Fair | 1984 | 18.4 m | 821 |
| I-25 and NWP | Colorado | Good | 2003 | 245.6 m | 820 |
| I 70 ML | Colorado | Fair | 1975 | 76.7 m | 818 |
| Larimer Co. Canal No. 2 | Colorado | Good | 1950 | 8.6 m | 818 |
| St. Louis Creek | Colorado | Fair | 1981 | 7.5 m | 817 |
| MACK WASH | Colorado | Fair | 2001 | 29.7 m | 817 |
| Fort Morgan Canal | Colorado | Fair | 1960 | 10.1 m | 817 |
| LITTLE DRY CREEK | Colorado | Good | 1988 | 10.6 m | 817 |
| Wonderland Creek | Colorado | Fair | 1988 | 26.8 m | 812 |
| EIGHT MILE CREEK | Colorado | Fair | 1991 | 15.9 m | 812 |
| FISHERS CANYON CREEK | Colorado | Fair | 1980 | 7.5 m | 811 |
| GREEN BELT FLOODWAY | Colorado | Good | 1975 | 10.4 m | 809 |
| GYPSUM CREEK | Colorado | Fair | 2000 | 9.3 m | 808 |
| Buckhorn Creek | Colorado | Good | 1993 | 37.8 m | 806 |
| Lone Tree Creek | Colorado | Fair | 1965 | 15.3 m | 806 |
| EAST HARVARD GULCH | Colorado | Good | 1967 | 16.1 m | 805 |
| Crow Creek | Colorado | Good | 2005 | 12.3 m | 805 |
| FULTON DITCH | Colorado | Fair | 2000 | 11.2 m | 804 |
| Redstone Creek Tributary | Colorado | Good | 1992 | 7.8 m | 803 |
| Larimer and Weld Canal | Colorado | Fair | 2008 | 14.9 m | 803 |
| S.P. RR | Colorado | Fair | 1975 | 33.5 m | 802 |
| Fort Morgan Canal | Colorado | Fair | 1940 | 10.1 m | 801 |
| Lone Tree Creek | Colorado | Fair | 1990 | 8.6 m | 801 |
| BIJOU CREEK SR | Colorado | Good | 1977 | 137.6 m | 800 |
| Cottonwood Creek | Colorado | Fair | 2003 | 24.5 m | 800 |
| Cottonwood Creek | Colorado | Good | 2003 | 23.6 m | 800 |
| SOUTH PLATTE RIVER | Colorado | Fair | 1990 | 30.8 m | 800 |
| HARDSCRABBLE CREEK | Colorado | Good | 2009 | 72.7 m | 800 |
| DRAW UP RR | Colorado | Good | 2015 | 85.8 m | 800 |
| COCKELBURR CREEK | Colorado | Fair | 1930 | 18.9 m | 800 |
| NO NAME WASH | Colorado | Fair | 1965 | 13.6 m | 800 |
| CULEBRA CREEK | Colorado | Fair | 1936 | 36.6 m | 800 |
| B Ditch | Colorado | Fair | 1992 | 11.1 m | 800 |
| S BOULDER CREEK | Colorado | Good | 1995 | 19.1 m | 798 |
| OHIO CREEK | Colorado | Fair | 1995 | 14.0 m | 798 |
| LOUTSENHIZER CANAL | Colorado | Fair | 2006 | 6.4 m | 797 |
| MID FK SOUTH PLATTE RVR | Colorado | Good | 1995 | 19.7 m | 796 |
| Box Elder Creek | Colorado | Fair | 2004 | 15.4 m | 796 |
| WEST FORK SAND CREEK | Colorado | Fair | 1984 | 11.4 m | 794 |
| BIG SANDY CREEK | Colorado | Fair | 1984 | 114.6 m | 794 |
| LAMAR CANAL | Colorado | Poor | 1983 | 7.3 m | 794 |
| CATLIN CANAL | Colorado | Fair | 1989 | 11.2 m | 792 |
| BEAR CREEK | Colorado | Fair | 1975 | 7.9 m | 791 |
| CRYSTAL RIVER | Colorado | Fair | 1986 | 25.8 m | 791 |
| DRAW | Colorado | Fair | 1987 | 7.0 m | 790 |
| LONE TREE GULCH | Colorado | Fair | 1937 | 21.1 m | 790 |
| BADGER CREEK | Colorado | Fair | 1986 | 26.8 m | 790 |
| DEER TRAIL CREEK | Colorado | Fair | 1975 | 54.9 m | 790 |
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.