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.