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 |
|---|---|---|---|---|---|
| RALSTON CREEK | Colorado | Fair | 1957 | 8.5 m | 184 |
| ROAN CREEK | Colorado | Fair | 1988 | 31.3 m | 184 |
| Fortification Creek | Colorado | Fair | 1950 | 10.5 m | 184 |
| CATLIN CANAL | Colorado | Fair | 1969 | 9.6 m | 184 |
| UNNAMED DRAINAGE | Colorado | Fair | 2003 | 7.7 m | 184 |
| RIO GRANDE CANAL | Colorado | Fair | 1966 | 9.0 m | 184 |
| White River | Colorado | Fair | 1940 | 39.6 m | 184 |
| Elk River | Colorado | Fair | 1987 | 32.2 m | 183 |
| BOX ELDER CREEK TRIB | Colorado | Fair | 2002 | 19.3 m | 183 |
| WOLF CREEK | Colorado | Good | 1987 | 27.4 m | 183 |
| CROKE CANAL | Colorado | Fair | 1981 | 11.9 m | 183 |
| LOCAL DRAINAGE | BLUNN T | Colorado | Fair | 2000 | 8.1 m | 183 |
| FARMERS HIGHLINE CANAL | | Colorado | Fair | 1993 | 8.7 m | 183 |
| EAST RIVER | Colorado | Fair | 1988 | 18.8 m | 183 |
| LAKE FORK | Colorado | Good | 2016 | 8.0 m | 183 |
| FT. LYON CANAL | Colorado | Fair | 1960 | 9.1 m | 183 |
| SOUTH CANAL | Colorado | Fair | 1986 | 19.7 m | 182 |
| SANDOVAL CANYON | Colorado | Fair | 1970 | 18.0 m | 182 |
| Left Hand Creek | Colorado | Good | 1992 | 17.1 m | 182 |
| BEAR CREEK | Colorado | Fair | 1968 | 12.0 m | 182 |
| WILLIAMS CREEK | Colorado | Fair | 1965 | 9.3 m | 182 |
| Badger Creek | Colorado | Fair | 2006 | 7.6 m | 182 |
| Mamm Creek | Colorado | Fair | 1993 | 8.1 m | 181 |
| Denver Hudson Canal | Colorado | Fair | 1985 | 12.2 m | 181 |
| North Platte River | Colorado | Fair | 1993 | 32.9 m | 180 |
| SANDWASH CREEK | Colorado | Good | 1978 | 9.8 m | 180 |
| LITTLE SNAKE RIVER | Colorado | Good | 1984 | 48.8 m | 180 |
| Boulder Feeder Ditch | Colorado | Fair | 1988 | 9.7 m | 180 |
| FT. LYON CANAL | Colorado | Fair | 1985 | 14.2 m | 180 |
| James Creek | Colorado | Good | 2018 | 18.3 m | 180 |
| OTERO CANAL | Colorado | Fair | 1951 | 8.7 m | 180 |
| CATLIN CANAL | Colorado | Fair | 1986 | 19.5 m | 180 |
| Trib. of Cedar Creek | Colorado | Fair | 1992 | 8.8 m | 180 |
| ROCKY FORD HIGHLINE CANA | Colorado | Good | 1993 | 12.7 m | 180 |
| DRAW | Colorado | Fair | 1939 | 9.4 m | 180 |
| ALKALI CREEK | Colorado | Fair | 1940 | 14.8 m | 180 |
| Michigan River | Colorado | Fair | 1958 | 21.5 m | 179 |
| W Channel Michigan River | Colorado | Fair | 1970 | 9.4 m | 179 |
| FT. LYON CANAL | Colorado | Fair | 1996 | 19.8 m | 179 |
| STEELS FORK CREEK | Colorado | Fair | 1988 | 7.3 m | 179 |
| I 25 ML | Colorado | Fair | 1965 | 57.9 m | 179 |
| Slater Creek | Colorado | Fair | 1940 | 10.1 m | 179 |
| FALL CREEK | Colorado | Good | 1994 | 11.8 m | 179 |
| North St. Vrain Creek | Colorado | Fair | 1991 | 23.2 m | 178 |
| COLORADO CANAL | Colorado | Good | 2021 | 23.9 m | 178 |
| ANIMAS RIVER | Colorado | Fair | 1992 | 28.1 m | 178 |
| Hillsbourough Ditch | Colorado | Fair | 1987 | 10.7 m | 178 |
| Latham Ditch | Colorado | Fair | 1996 | 11.8 m | 178 |
| Crow Creek | Colorado | Fair | 2000 | 12.3 m | 178 |
| BRUSH CREEK | Colorado | Fair | 2008 | 15.8 m | 177 |
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.