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 |
|---|---|---|---|---|---|
| COUNTY ROAD 32 | Colorado | Fair | 1961 | 28.5 m | 37,000 |
| CLEAR CREEK | Colorado | Poor | 1965 | 8.8 m | 37,000 |
| BEAR CREEK | Colorado | Good | 2012 | 51.2 m | 37,000 |
| RAMP TO I 25 NBND R | Colorado | Fair | 1991 | 43.3 m | 37,000 |
| LARIMER COUNTY CANAL | Colorado | Fair | 1948 | 7.4 m | 37,000 |
| LENA GULCH | Colorado | Fair | 1981 | 13.2 m | 37,000 |
| RAMP TO I 25 NBND | Colorado | Good | 1990 | 43.7 m | 37,000 |
| NB SH 21 RAMP | Colorado | Good | 2021 | 59.2 m | 37,000 |
| US85/C470ML/UPRR/BNSF | Colorado | Good | 2011 | 526.9 m | 37,000 |
| FOUNTAIN CREEK | Colorado | Good | 2009 | 113.0 m | 37,000 |
| CLEAR CREEK | Colorado | Poor | 1969 | 47.7 m | 37,000 |
| KETTLE CREEK | Colorado | Fair | 2005 | 139.4 m | 37,000 |
| DRAINAGE DITCH AR | Colorado | Fair | 1996 | 6.1 m | 37,000 |
| I 25 ML HOV RAMP | Colorado | Good | 1991 | 154.8 m | 37,000 |
| RAMP TO I 70 ML | Colorado | Fair | 1965 | 48.7 m | 37,000 |
| I 25 ML R | Colorado | Fair | 1991 | 166.4 m | 37,000 |
| COUNTY ROAD 32 | Colorado | Fair | 1961 | 28.5 m | 37,000 |
| KETTLE CREEK | Colorado | Good | 2005 | 139.6 m | 37,000 |
| COUNTY ROAD | Colorado | Good | 1965 | 48.7 m | 37,000 |
| SAND CREEK | Colorado | Good | 2009 | 37.1 m | 36,984 |
| PEDESTRIAN UNDERPASS | Colorado | Good | 2009 | 21.2 m | 36,709 |
| Local Drainage | Colorado | Good | 2002 | 6.7 m | 36,702 |
| Local Drainage | Colorado | Fair | 2003 | 7.1 m | 36,702 |
| COTTONWOOD CREEK | Colorado | Good | 2000 | 44.2 m | 36,527 |
| SOUTH PLATTE RIVER | Colorado | Good | 2018 | 65.5 m | 36,500 |
| SOUTH PLATTE RIVER | Colorado | Good | 2019 | 65.5 m | 36,500 |
| Spring Creek | Colorado | Fair | 1986 | 26.9 m | 36,342 |
| First Creek | Colorado | Fair | 1996 | 26.7 m | 36,174 |
| EAST FORK SAND CREEK | Colorado | Fair | 2000 | 43.8 m | 36,000 |
| PURCELL BLVD | Colorado | Fair | 2022 | 69.2 m | 36,000 |
| UNNAMED DRAINAGE | Colorado | Fair | 1962 | 7.2 m | 36,000 |
| GW RR | Colorado | Fair | 1961 | 31.5 m | 36,000 |
| I 70 BUSS RT | Colorado | Fair | 1958 | 49.7 m | 36,000 |
| GW RR | Colorado | Fair | 1961 | 31.5 m | 36,000 |
| I 25 ML | Colorado | Fair | 1999 | 70.7 m | 36,000 |
| FOREST SERVICE ROAD | Colorado | Good | 2021 | 14.7 m | 36,000 |
| GW RR | Colorado | Fair | 2023 | 25.1 m | 36,000 |
| FOREST SERVICE ROAD | Colorado | Good | 2021 | 14.7 m | 36,000 |
| FOUNTAIN CREEK | Colorado | Fair | 2020 | 23.6 m | 36,000 |
| EAGLE RIDGE BLVD. | Colorado | Fair | 2005 | 61.0 m | 36,000 |
| COUNTY ROAD | Colorado | Fair | 1961 | 28.5 m | 36,000 |
| COUNTY ROAD | Colorado | Fair | 1961 | 28.5 m | 36,000 |
| Local Drainage | Colorado | Fair | 1997 | 6.3 m | 35,615 |
| HIGHLINE CANAL | Colorado | Fair | 1974 | 12.5 m | 35,473 |
| UNNAMED DRAW | Colorado | Fair | 1985 | 8.1 m | 35,365 |
| I 25 ML | Colorado | Fair | 2012 | 78.5 m | 35,245 |
| SH 8 BEAR CREEK | Colorado | Fair | 1989 | 233.1 m | 35,000 |
| UP RR RR SPUR LT RAIL | Colorado | Fair | 2011 | 57.2 m | 35,000 |
| MOSS STREET W 7TH AVE | Colorado | Poor | 1969 | 31.5 m | 35,000 |
| MOSS STREET W 7TH AVE | Colorado | Fair | 1969 | 31.5 m | 35,000 |
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.