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 |
|---|---|---|---|---|---|
| BURR OAK CREEK | Iowa | Good | 2011 | 46.0 m | 2,610 |
| STREAM | Iowa | Fair | 1977 | 31.4 m | 2,610 |
| STREAM | Iowa | Good | 1977 | 25.3 m | 2,610 |
| STREAM | Iowa | Fair | 1983 | 9.8 m | 2,610 |
| LITTLE ROCK RIVER | Iowa | Fair | 1975 | 84.7 m | 2,610 |
| STREAM | Iowa | Good | 2001 | 7.6 m | 2,610 |
| CLOSES CREEK | Iowa | Fair | 1900 | 24.1 m | 2,608 |
| EAST FOUR MILE CREEK | Iowa | Good | 2005 | 12.8 m | 2,608 |
| MUD CREEK | Iowa | Good | 2020 | 7.6 m | 2,604 |
| TRIB TO CRANE CREEK | Iowa | Good | 2022 | 28.7 m | 2,600 |
| SMALL STREAM | Iowa | Fair | 1987 | 7.6 m | 2,600 |
| WEST FORK CROOKED CREEK | Iowa | Good | 2016 | 78.5 m | 2,600 |
| DRAINAGE DITCH | Iowa | Fair | 1960 | 10.1 m | 2,600 |
| CRANE CREEK | Iowa | Good | 1966 | 54.4 m | 2,600 |
| STREAM | Iowa | Fair | 1959 | 6.4 m | 2,600 |
| MILLERS CREEK | Iowa | Fair | 1957 | 12.2 m | 2,600 |
| DME RR | Iowa | Good | 2005 | 88.7 m | 2,600 |
| DME RR | Iowa | Good | 2005 | 88.7 m | 2,600 |
| BRANCH ROCK CREEK | Iowa | Good | 1996 | 8.5 m | 2,600 |
| WOLF CREEK | Iowa | Fair | 1960 | 87.5 m | 2,600 |
| SMALL STREAM | Iowa | Good | 1988 | 34.4 m | 2,600 |
| CROW CREEK | Iowa | Fair | 2007 | 53.3 m | 2,600 |
| CROW CREEK | Iowa | Good | 2007 | 53.3 m | 2,600 |
| BR LITTLE OCHEYEDAN | Iowa | Fair | 1974 | 6.4 m | 2,600 |
| BROACHAMP CREEK | Iowa | Good | 1994 | 7.9 m | 2,590 |
| LITTLE SIOUX RIVER | Iowa | Fair | 1976 | 68.0 m | 2,584 |
| EAST BLUE CREEK | Iowa | Poor | 1930 | 28.0 m | 2,583 |
| EAST BLUE CREEK | Iowa | Fair | 1926 | 8.8 m | 2,583 |
| SILVER CREEK | Iowa | Fair | 1974 | 10.4 m | 2,580 |
| STREAM | Iowa | Good | 2010 | 40.5 m | 2,580 |
| OTTER CREEK | Iowa | Fair | 1951 | 47.2 m | 2,580 |
| STREAM | Iowa | Fair | 1978 | 37.5 m | 2,580 |
| OTTER CREEK | Iowa | Fair | 1955 | 11.6 m | 2,580 |
| HAMMERS CREEK | Iowa | Good | 1986 | 34.4 m | 2,580 |
| CHERRY CREEK | Iowa | Good | 2019 | 43.0 m | 2,580 |
| DRY CREEK | Iowa | Good | 1963 | 38.7 m | 2,580 |
| VINTON DITCH | Iowa | Fair | 1980 | 9.4 m | 2,579 |
| LITTLE SIOUX RIVER | Iowa | Poor | 1963 | 61.9 m | 2,573 |
| BRANCH FOUR MILE CREEK | Iowa | Good | 2003 | 14.0 m | 2,571 |
| BLACK CAT CREEK | Iowa | Good | 2022 | 58.5 m | 2,570 |
| STREAM | Iowa | Fair | 1960 | 7.0 m | 2,570 |
| DESMOINES RIVER TRIBUTAR | Iowa | Good | 2020 | 6.8 m | 2,568 |
| CHESLEA CREEK | Iowa | Fair | 1980 | 21.6 m | 2,567 |
| JORDAN CREEK | Iowa | Good | 1974 | 15.2 m | 2,565 |
| OVER CC RR | Iowa | Fair | 1974 | 95.1 m | 2,560 |
| LITTLE SIOUX RIVER | Iowa | Fair | 1930 | 54.6 m | 2,560 |
| SOUTH BR LIZARD CREEK | Iowa | Fair | 1974 | 40.5 m | 2,560 |
| SOUTH WALNUT CREEK | Iowa | Fair | 1969 | 62.2 m | 2,560 |
| MIDDLE WALNUT CREEK | Iowa | Fair | 1969 | 37.5 m | 2,560 |
| CREEK | Iowa | Good | 2013 | 11.0 m | 2,553 |
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.