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 |
|---|---|---|---|---|---|
| ACADEMY BLVD | Colorado | Good | 2024 | 86.7 m | 13,000 |
| BEARD CREEK TRL | Colorado | Fair | 1970 | 30.8 m | 13,000 |
| PERSIGO WASH | Colorado | Fair | 1969 | 11.7 m | 13,000 |
| DUTCH CREEK | Colorado | Fair | 1984 | 23.2 m | 13,000 |
| LAMAR CANAL | Colorado | Fair | 1931 | 7.3 m | 13,000 |
| US HWY 6 RR EAGLE RIVE | Colorado | Fair | 1970 | 214.0 m | 13,000 |
| LITTLE FOUNTAIN CREEK | Colorado | Good | 2004 | 41.3 m | 13,000 |
| LOUTZENHEIZER WASH | Colorado | Fair | 1989 | 6.4 m | 13,000 |
| COUNTY ROADS 26N 105 | Colorado | Poor | 1960 | 28.7 m | 13,000 |
| COUNTY ROADS 31N 125 | Colorado | Poor | 1960 | 28.7 m | 13,000 |
| COUNTY ROADS 28N 113 | Colorado | Poor | 1960 | 28.7 m | 13,000 |
| CANAL | Colorado | Good | 1959 | 7.4 m | 13,000 |
| BOX ELDER CREEK | Colorado | Fair | 1960 | 214.1 m | 13,000 |
| PINEY CREEK | Colorado | Fair | 1999 | 18.1 m | 12,996 |
| EAST TOLLGATE CREEK | Colorado | Fair | 1999 | 9.8 m | 12,981 |
| I 225 ML | Colorado | Good | 2000 | 142.0 m | 12,969 |
| Larimer Co. Canal No. 2 | Colorado | Fair | 1920 | 6.9 m | 12,947 |
| St Vrain Creek | Colorado | Good | 2019 | 74.0 m | 12,909 |
| PRIVATE DRIVE | EAST PLU | Colorado | Good | 2008 | 309.9 m | 12,887 |
| SOUTH PLATTE RIVER | Colorado | Poor | 1965 | 55.5 m | 12,861 |
| Ped. Underpass/Drainage | Colorado | Fair | 2000 | 7.9 m | 12,852 |
| CASTLE CREEK | Colorado | Fair | 1973 | 10.9 m | 12,818 |
| BLK SQUIRREL CRK TRIB | Colorado | Fair | 2011 | 6.8 m | 12,805 |
| Pedestrian Underpass | Colorado | Fair | 2000 | 7.9 m | 12,804 |
| Larimer Co. Canal No. 2 | Colorado | Fair | 1960 | 6.7 m | 12,803 |
| SOUTH DOUGLAS CREEK | Colorado | Fair | 1984 | 9.7 m | 12,801 |
| 5TH STREET AND RAILROADS | Colorado | Good | 1987 | 288.4 m | 12,760 |
| RAILROAD AND LRT | Colorado | Good | 1985 | 33.6 m | 12,746 |
| SH 47 ML | Colorado | Fair | 1977 | 67.7 m | 12,734 |
| CHERRY CREEK | CHERRY CR | Colorado | Fair | 1988 | 190.5 m | 12,733 |
| HIGHLINE CANAL | Colorado | Fair | 1964 | 14.0 m | 12,726 |
| MASSEY DRAW | Colorado | Fair | 1996 | 12.2 m | 12,694 |
| SULPHUR GULCH | SULPHUR | Colorado | Fair | 2000 | 70.2 m | 12,682 |
| RAILROAD AND LRT | Colorado | Fair | 1986 | 87.2 m | 12,671 |
| Oligarchy Ditch | Colorado | Fair | 2004 | 25.1 m | 12,630 |
| BRUSH CREEK | Colorado | Good | 2014 | 37.3 m | 12,590 |
| CHERRY CREEK | Colorado | Good | 1981 | 31.2 m | 12,577 |
| HIGHLINE CANAL | Colorado | Fair | 2007 | 6.2 m | 12,559 |
| MURPHY CREEK | Colorado | Fair | 2006 | 10.3 m | 12,546 |
| OBRIAN CANAL | Colorado | Fair | 1994 | 24.8 m | 12,537 |
| BIG HORN ROAD | Colorado | Fair | 1975 | 35.1 m | 12,500 |
| ELKHORN DRIVE | Colorado | Fair | 1969 | 21.2 m | 12,500 |
| I-70 FRONTAGE RD | Colorado | Fair | 1975 | 61.0 m | 12,500 |
| ELK CREEK | Colorado | Fair | 1972 | 18.0 m | 12,500 |
| BARNES INLET CANAL | Colorado | Fair | 1969 | 11.4 m | 12,500 |
| BARNES INLET CANAL | Colorado | Poor | 1933 | 13.2 m | 12,500 |
| SOUTH PLATTE RIVER | Colorado | Poor | 1955 | 290.2 m | 12,500 |
| BIG HORN RD | Colorado | Fair | 1975 | 35.1 m | 12,500 |
| LATHAM CANAL | Colorado | Fair | 2008 | 12.9 m | 12,500 |
| SOUTH PLATTE RIVER | Colorado | Fair | 1936 | 290.2 m | 12,500 |
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.