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 |
|---|---|---|---|---|---|
| I 225 ML NBND R | Colorado | Fair | 1976 | 97.5 m | 6,855 |
| EAST SAND CREEK | Colorado | Fair | 2007 | 89.1 m | 6,823 |
| Love/Horse Shoe Canal | Colorado | Fair | 1937 | 6.6 m | 6,823 |
| Dry Creek | Colorado | Poor | 1948 | 9.1 m | 6,817 |
| I 25 ML | Colorado | Fair | 1970 | 64.5 m | 6,808 |
| Transfer Ditch | Colorado | Fair | 1930 | 8.1 m | 6,800 |
| S BLDR DIVERSION CANAL | Colorado | Fair | 2000 | 7.1 m | 6,792 |
| Cache La Poudre River | Colorado | Fair | 1981 | 31.5 m | 6,792 |
| I 25 ML | Colorado | Poor | 1965 | 51.6 m | 6,760 |
| RACE COURT | Colorado | Good | 2018 | 28.2 m | 6,710 |
| DRAW | Colorado | Fair | 1938 | 8.5 m | 6,700 |
| DRAW / STOCK PASS | Colorado | Good | 2008 | 6.3 m | 6,700 |
| BIG SANDY CREEK | Colorado | Fair | 1938 | 25.6 m | 6,700 |
| DRAW | Colorado | Fair | 1938 | 9.8 m | 6,700 |
| DRAW | Colorado | Good | 1937 | 9.8 m | 6,700 |
| CANAL | Colorado | Fair | 1934 | 6.9 m | 6,700 |
| TROUT CREEK | Colorado | Fair | 1937 | 42.4 m | 6,700 |
| MAGEE GULCH | Colorado | Fair | 1937 | 10.4 m | 6,700 |
| DRAW | Colorado | Fair | 1938 | 8.5 m | 6,700 |
| SHIELDS GULCH | Colorado | Good | 1937 | 10.4 m | 6,700 |
| MC ELMO CREEK | Colorado | Fair | 1969 | 9.3 m | 6,700 |
| DRAW | Colorado | Fair | 1938 | 9.8 m | 6,700 |
| N Leach Creek | Colorado | Good | 2022 | 12.5 m | 6,685 |
| EAST PLUM CREEK TRIBUTAR | Colorado | Good | 1986 | 7.5 m | 6,672 |
| Big Thompson River | Colorado | Fair | 1979 | 20.1 m | 6,668 |
| LAKE ELIZABETH | Colorado | Fair | 1998 | 26.0 m | 6,631 |
| SCOTT GULCH | Colorado | Fair | 2002 | 11.5 m | 6,623 |
| W. Flatiron Crossing | Colorado | Good | 2000 | 46.9 m | 6,609 |
| COAL CREEK | Colorado | Fair | 1921 | 13.4 m | 6,600 |
| I25 NWP | Colorado | Good | 2003 | 244.9 m | 6,600 |
| UNCOMPAHGRE RIVER | Colorado | Good | 2013 | 38.3 m | 6,600 |
| BIG DRY CREEK | Colorado | Poor | 1936 | 21.0 m | 6,600 |
| GAME CROSSING | Colorado | Good | 2005 | 7.5 m | 6,600 |
| CHERRY CREEK | Colorado | Fair | 1957 | 34.3 m | 6,594 |
| EAGLE RIVER | Colorado | Good | 2004 | 40.8 m | 6,590 |
| COTTONWOOD CREEK | Colorado | Fair | 1887 | 16.2 m | 6,580 |
| ARKANSAS RIVER | Colorado | Fair | 1975 | 86.6 m | 6,572 |
| Boulder Creek | Colorado | Fair | 1976 | 38.5 m | 6,549 |
| GOLDSMITH GULCH | Colorado | Good | 1992 | 8.2 m | 6,548 |
| COLONY HILLS CANAL | Colorado | Fair | 2020 | 11.2 m | 6,535 |
| GREENWOOD GULCH | Colorado | Fair | 1991 | 16.5 m | 6,528 |
| SULPHUR GULCH | SULPHUR | Colorado | Fair | 2003 | 59.9 m | 6,522 |
| ARKANSAS RIVER | Colorado | Fair | 1959 | 211.4 m | 6,509 |
| HIGHLINE CANAL | Colorado | Fair | 1975 | 11.3 m | 6,506 |
| HIGH LINE CANAL | Colorado | Good | 2017 | 18.6 m | 6,503 |
| PRENTICE GULCH | Colorado | Good | 1992 | 8.2 m | 6,503 |
| GUNNISON RIVER | Colorado | Fair | 1992 | 100.7 m | 6,500 |
| DENVER ROCK ISLAND RR | Colorado | Good | 2020 | 48.0 m | 6,500 |
| GUNNISON RIVER | Colorado | Fair | 1966 | 93.8 m | 6,500 |
| MISSOURI CREEK | Colorado | Fair | 1967 | 25.0 m | 6,500 |
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.