Browse Bridge Database
23,716 bridges in the FHWA National Bridge Inventory in Iowa.
National Bridge Inventory Database
Browse 23,716 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 |
|---|---|---|---|---|---|
| N. GROVE CREEK | Iowa | Good | 1994 | 31.4 m | 3,180 |
| FLASHER CREEK | Iowa | Fair | 1965 | 35.4 m | 3,180 |
| STREAM | Iowa | Fair | 1982 | 49.7 m | 3,180 |
| OVER BNSF RR | Iowa | Fair | 1982 | 52.1 m | 3,180 |
| MOON CREEK | Iowa | Fair | 1974 | 8.8 m | 3,180 |
| BREWER CREEK | Iowa | Fair | 1989 | 13.4 m | 3,175 |
| US 20 | Iowa | Good | 2010 | 73.5 m | 3,171 |
| SNAKE CREEK | Iowa | Good | 1991 | 29.9 m | 3,170 |
| MAIN ST & COLLINS RD | Iowa | Fair | 1995 | 153.0 m | 3,170 |
| LIZARD CREEK | Iowa | Good | 2002 | 70.1 m | 3,164 |
| OLD CHANNEL ROCK RIVER | Iowa | Good | 1989 | 62.2 m | 3,160 |
| ROCK RIVER | Iowa | Good | 2002 | 128.0 m | 3,160 |
| DRAINAGE DITCH | Iowa | Fair | 1976 | 7.9 m | 3,160 |
| RUSSELL BLVD BNSF UP RR | Iowa | Fair | 1960 | 192.6 m | 3,160 |
| CN RR AND 7TH STREET | Iowa | Fair | 1936 | 226.2 m | 3,159 |
| FOURMILE CREEK | Iowa | Fair | 1990 | 50.0 m | 3,156 |
| 185TH STREET | Iowa | Fair | 1960 | 39.6 m | 3,150 |
| NORTH LIZARD CREEK | Iowa | Good | 1976 | 6.7 m | 3,150 |
| ELLIS RD SILVER CREEK | Iowa | Good | 2016 | 183.5 m | 3,150 |
| UP RR & SR L-20 | Iowa | Fair | 1966 | 103.6 m | 3,150 |
| EAST WAPSIPINICON RIVER | Iowa | Fair | 1983 | 84.1 m | 3,150 |
| EAST WAPSIPINICON RIVER | Iowa | Good | 2000 | 53.3 m | 3,150 |
| NORTH LIZARD CREEK | Iowa | Fair | 1976 | 34.4 m | 3,150 |
| ELLIS RD SILVER CREEK | Iowa | Good | 2016 | 183.5 m | 3,150 |
| 185TH ST | Iowa | Good | 1960 | 39.3 m | 3,150 |
| CATFISH CREEK | Iowa | Good | 2019 | 203.9 m | 3,150 |
| OLD BOYER RIVER CHANNEL | Iowa | Fair | 1966 | 19.2 m | 3,150 |
| UP RR & LOCAL ROAD | Iowa | Fair | 1966 | 103.6 m | 3,150 |
| DES MOINES RIVER | Iowa | Fair | 1979 | 178.3 m | 3,132 |
| DRY RUN CREEK | Iowa | Fair | 1980 | 18.0 m | 3,127 |
| I-235 | Iowa | Good | 2003 | 77.4 m | 3,120 |
| EAST SOLDIER RIVER | Iowa | Fair | 1948 | 10.7 m | 3,120 |
| DME RR | Iowa | Fair | 1974 | 104.5 m | 3,120 |
| WHITE BREAST CREEK | Iowa | Fair | 1965 | 209.7 m | 3,120 |
| TETER CREEK | Iowa | Fair | 1965 | 118.9 m | 3,120 |
| CROOKED CREEK | Iowa | Fair | 1959 | 43.3 m | 3,110 |
| GLOVER CREEK | Iowa | Good | 1976 | 9.1 m | 3,110 |
| BRIDGE CREEK | Iowa | Fair | 1967 | 40.5 m | 3,110 |
| DM RIVER & B AVE | Iowa | Fair | 1977 | 171.0 m | 3,109 |
| CN RR AND 7TH ST | Iowa | Fair | 1977 | 226.2 m | 3,109 |
| SMALL STREAM | Iowa | Fair | 1976 | 6.7 m | 3,103 |
| BNSF UP RR-TAFT ST | Iowa | Fair | 2017 | 174.5 m | 3,100 |
| IA 150 | Iowa | Good | 1978 | 64.3 m | 3,100 |
| UP BNSF RR-TAFT ST | Iowa | Fair | 1974 | 164.9 m | 3,100 |
| IA 150 | Iowa | Fair | 1978 | 64.3 m | 3,100 |
| DRAINAGE DITCH | Iowa | Fair | 1933 | 13.1 m | 3,100 |
| FLINT CREEK | Iowa | Good | 2020 | 83.0 m | 3,100 |
| INDIAN CREEK | Iowa | Fair | 1980 | 6.1 m | 3,100 |
| MUD CREEK | Iowa | Good | 2013 | 43.0 m | 3,100 |
| MUD CREEK | Iowa | Good | 2008 | 31.4 m | 3,100 |
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.