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 |
|---|---|---|---|---|---|
| ELM CREEK | Iowa | 1956 | 45 | 13.7 m | |
| BEAR CREEK | Iowa | 1914 | 45 | 6.7 m | |
| STREAM | Iowa | 1952 | 45 | 39.3 m | |
| DRAINAGE | Iowa | 1997 | 45 | 24.4 m | |
| GRAYS CREEK | Iowa | 1951 | 45 | 18.3 m | |
| WATERWAY | Iowa | 1955 | 45 | 13.7 m | |
| SUGAR CREEK | Iowa | 1976 | 45 | 7.3 m | |
| DRAINAGE DITCH #2 | Iowa | 1900 | 45 | 7.0 m | |
| CREEK | Iowa | 1960 | 45 | 12.2 m | |
| M BR BUCKLEY CREEK | Iowa | 1950 | 45 | 13.4 m | |
| DD#16 | Iowa | 1924 | 45 | 6.7 m | |
| DRAINAGE | Iowa | 1951 | 45 | 13.4 m | |
| GREY CREEK | Iowa | 1920 | 45 | 16.2 m | |
| BEAR CREEK | Iowa | 1916 | 45 | 9.1 m | |
| FOUR MILE CREEK | Iowa | 1924 | 45 | 9.1 m | |
| D D #66 BR SO LIZARD CK | Iowa | 1970 | 45 | 7.9 m | |
| WHITE BREAST CREEK | Iowa | 1975 | 45 | 17.1 m | |
| STREAM | Iowa | 1953 | 45 | 10.7 m | |
| INDIAN CREEK | Iowa | 1916 | 45 | 37.5 m | |
| S CHEQUEST LAKE CREEK | Iowa | 1953 | 45 | 38.1 m | |
| DEER CREEK | Iowa | 1925 | 45 | 11.9 m | |
| GRAND RIVER | Iowa | 1962 | 45 | 92.1 m | |
| DRAINAGE | Iowa | 1950 | 45 | 13.1 m | |
| STREAM | Iowa | 1949 | 45 | 21.9 m | |
| STREAM | Iowa | 1961 | 45 | 13.7 m | |
| GRANGER CREEK | Iowa | 1925 | 45 | 38.7 m | |
| WALNUT CREEK | Iowa | 1955 | 45 | 25.0 m | |
| STREAM | Iowa | 1961 | 45 | 28.0 m | |
| DUTCH CREEK | Iowa | 1956 | 45 | 10.7 m | |
| TRIB DES MOINES RIVER | Iowa | 1920 | 45 | 13.1 m | |
| DRAINAGE | Iowa | 1981 | 45 | 13.1 m | |
| SUGAR CREEK | Iowa | 1933 | 45 | 17.7 m | |
| MONONA HARRISON DD | Iowa | 1959 | 45 | 55.5 m | |
| WEST FORK DD | Iowa | 1961 | 45 | 51.5 m | |
| JONES CREEK | Iowa | 1938 | 45 | 11.0 m | |
| OTTER CREEK | Iowa | 1968 | 45 | 17.4 m | |
| STREAM | Iowa | 1965 | 45 | 9.8 m | |
| MIDDLE RACOON | Iowa | 1958 | 45 | 61.3 m | |
| MASON CREEK | Iowa | 1987 | 45 | 12.2 m | |
| SMALL STREAM | Iowa | 1927 | 45 | 6.4 m | |
| WEST NODAWAY RIVER | Iowa | 1940 | 45 | 62.2 m | |
| IOWAY CREEK | Iowa | 1917 | 45 | 19.8 m | |
| NO NAME CREEK | Iowa | 1954 | 45 | 17.4 m | |
| RACCOON RIVER | Iowa | 1921 | 45 | 56.1 m | |
| SMALL CREEK | Iowa | 1955 | 45 | 13.1 m | |
| SMALL STREAM | Iowa | 1972 | 45 | 13.4 m | |
| DEER CREEK | Iowa | 1977 | 45 | 10.7 m | |
| WILLOW CREEK | Iowa | 1940 | 45 | 45.1 m | |
| DRAINAGE | Iowa | 1948 | 45 | 10.1 m | |
| STREAM | Iowa | 1953 | 45 | 17.7 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.