Poor Condition Bridges in Iowa
4,423 bridges rated Poor condition in Iowa. FHWA National Bridge Inventory.
Bridges Rated Poor Condition
A bridge is rated Poor when one or more of its major components (deck, superstructure, or substructure) has a condition rating of 4 or below on the FHWA 0-9 scale. Poor condition does not mean imminent danger of collapse, but indicates significant deterioration requiring priority maintenance or replacement. There are 4,423 such bridges in Iowa.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| EAST FORK BATTLE CREEK | Iowa | 1900 | 35 | 9.1 m | |
| ENGLISH RIVER | Iowa | 1950 | 35 | 53.3 m | |
| LITTLE SOAP CREEK | Iowa | 1930 | 35 | 32.6 m | |
| BOONE RIVER | Iowa | 1912 | 35 | 39.0 m | |
| SMALL | Iowa | 1979 | 35 | 6.7 m | |
| SMALL STREAM | Iowa | 1940 | 35 | 6.1 m | |
| ROCK CREEK | Iowa | 1948 | 35 | 55.8 m | |
| FULLINGTON CREEK | Iowa | 1959 | 35 | 12.8 m | |
| SMALL STREAM | Iowa | 1925 | 35 | 7.3 m | |
| PAINTER CREEK | Iowa | 1947 | 35 | 12.2 m | |
| SMALL STREAM | Iowa | 1974 | 35 | 10.4 m | |
| SMALL STREAM | Iowa | 1974 | 35 | 8.8 m | |
| INDIAN CREEK | Iowa | 1918 | 35 | 25.3 m | |
| CREEK | Iowa | 1949 | 35 | 46.3 m | |
| DEER CREEK | Iowa | 1900 | 35 | 18.9 m | |
| STREAM | Iowa | 1956 | 35 | 21.0 m | |
| ROCK CREEK | Iowa | 1956 | 35 | 25.0 m | |
| SMALL STREAM | Iowa | 1962 | 34 | 17.4 m | |
| CREEK | Iowa | 1956 | 34 | 38.7 m | |
| CREEK | Iowa | 1946 | 34 | 13.3 m | |
| PURGATORY CR. | Iowa | 1900 | 34 | 17.7 m | |
| CEDAR CREEK | Iowa | 1938 | 34 | 37.5 m | |
| MIDDLE RACOON RIVER | Iowa | 1900 | 34 | 34.7 m | |
| DRAINAGE | Iowa | 1939 | 34 | 9.8 m | |
| NODAWAY RIVER | Iowa | 1949 | 34 | 55.8 m | |
| MORGAN CREEK | Iowa | 1987 | 34 | 15.5 m | |
| EAST BR INDIAN CREEK | Iowa | 1900 | 34 | 25.3 m | |
| JIM CREEK | Iowa | 1956 | 34 | 17.1 m | |
| HAMILTON-STORY 1 OPEN DD | Iowa | 1900 | 34 | 14.3 m | |
| JIM CREEK | Iowa | 1961 | 34 | 9.4 m | |
| PIONEER CREEK | Iowa | 1976 | 34 | 9.8 m | |
| SOUTH TIMBER CREEK | Iowa | 1949 | 34 | 37.2 m | |
| WEST 102 RIVER | Iowa | 1952 | 34 | 38.1 m | |
| WATERMAN CREEK | Iowa | 2003 | 34 | 9.8 m | |
| SMALL | Iowa | 1978 | 34 | 17.4 m | |
| LONG BRANCH | Iowa | 1978 | 34 | 12.5 m | |
| SMALL STREAM | Iowa | 1905 | 34 | 13.7 m | |
| WEST MILL CREEK | Iowa | 1940 | 34 | 24.4 m | |
| TRIB TO MIDDLE RIVER | Iowa | 1966 | 34 | 8.2 m | |
| BUCHANAN CREEK | Iowa | 1986 | 34 | 31.4 m | |
| ELK GROVE BRANCH | Iowa | 1985 | 34 | 15.2 m | |
| FROST CREEK | Iowa | 1959 | 34 | 30.8 m | |
| STREAM | Iowa | 1957 | 34 | 7.3 m | |
| HAM-STORY 1 OPEN DD | Iowa | 1924 | 34 | 8.2 m | |
| DRAINAGE DITCH | Iowa | 1920 | 34 | 12.8 m | |
| KEIGLEY BRANCH | Iowa | 1949 | 34 | 13.1 m | |
| CREEK | Iowa | 1960 | 34 | 38.4 m | |
| MOSQUITO CREEK | Iowa | 1940 | 34 | 45.7 m | |
| PIGEON CREEK | Iowa | 1951 | 34 | 39.0 m | |
| DRAINAGE DITCH | Iowa | 2013 | 34 | 7.5 m |
About Poor Condition Bridge Ratings
FHWA rates bridge components on a 0-9 scale. A rating of 4 or below on any major component (deck, superstructure, substructure) classifies the bridge as Poor condition. The bridge remains open to traffic but requires priority attention. Bridges rated 0-2 are immediately closed.