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 |
|---|---|---|---|---|---|
| WEST TARKIO RIVER | Iowa | 1952 | 120 | 39.0 m | |
| PLUM CREEK | Iowa | 1954 | 120 | 13.4 m | |
| DRAINAGE | Iowa | 1983 | 118 | 11.9 m | |
| LITTLE ASHER CR | Iowa | 1916 | 118 | 12.8 m | |
| PINE CREEK | Iowa | 1938 | 118 | 37.5 m | |
| SPRING BRANCH | Iowa | 1951 | 118 | 25.0 m | |
| TEN MILE CREEK | Iowa | 1900 | 118 | 13.4 m | |
| BR LITTLE WAPSIPINICON | Iowa | 1957 | 118 | 23.5 m | |
| SMALL STREAM | Iowa | 1988 | 113 | 12.2 m | |
| EAST FORK BIG CREEK | Iowa | 1967 | 113 | 18.3 m | |
| PECK CREEK | Iowa | 1913 | 113 | 12.8 m | |
| LOCAL CREEK | Iowa | 1963 | 112 | 10.1 m | |
| SMALL STREAM | Iowa | 1977 | 110 | 9.4 m | |
| CREEK | Iowa | 1900 | 110 | 6.1 m | |
| WEST FORK 102 RIVER | Iowa | 1969 | 110 | 12.2 m | |
| TRIB. OF FOX RIVER | Iowa | 1985 | 110 | 12.2 m | |
| LOCAL CREEK | Iowa | 1958 | 110 | 31.4 m | |
| SOAP CREEK | Iowa | 1920 | 110 | 43.3 m | |
| WOLF CREEK | Iowa | 1955 | 110 | 31.1 m | |
| MILLER CREEK | Iowa | 1900 | 110 | 7.9 m | |
| CREEK | Iowa | 1936 | 110 | 12.8 m | |
| STREAM | Iowa | 1980 | 110 | 9.4 m | |
| IAIS RR | Iowa | 1952 | 110 | 37.8 m | |
| BROWN CREEK | Iowa | 1941 | 110 | 7.6 m | |
| PRAIRIE CREEK | Iowa | 1906 | 110 | 31.1 m | |
| RACCOON RIVER | Iowa | 1974 | 110 | 75.0 m | |
| CAIN CREEK | Iowa | 1971 | 110 | 21.3 m | |
| CAIN CREEK | Iowa | 1968 | 110 | 42.1 m | |
| SMITH CREEK | Iowa | 1930 | 110 | 13.1 m | |
| CREEK | Iowa | 1938 | 110 | 11.9 m | |
| PEDEE CREEK | Iowa | 1965 | 110 | 12.5 m | |
| SMALL STREAM | Iowa | 1900 | 110 | 18.9 m | |
| SMALL | Iowa | 1980 | 110 | 13.7 m | |
| DRAINAGE | Iowa | 1968 | 110 | 31.1 m | |
| SMALL STREAM | Iowa | 1956 | 110 | 7.3 m | |
| LITTLE RIVER | Iowa | 1957 | 110 | 62.5 m | |
| CREEK | Iowa | 1900 | 108 | 7.6 m | |
| CREEK | Iowa | 1917 | 108 | 8.5 m | |
| SNAKE CREEK | Iowa | 1959 | 108 | 13.7 m | |
| CREEK | Iowa | 1973 | 108 | 23.8 m | |
| UPPER IOWA RIVER | Iowa | 1924 | 108 | 75.6 m | |
| NORTH SKUNK RIVER | Iowa | 1936 | 106 | 33.2 m | |
| DRAINAGE | Iowa | 1910 | 104 | 8.8 m | |
| BUCK CREEK | Iowa | 1919 | 104 | 10.1 m | |
| COOPER CREEK | Iowa | 1956 | 104 | 38.4 m | |
| CREEK | Iowa | 1953 | 104 | 13.1 m | |
| SMALL STREAM | Iowa | 1921 | 104 | 6.7 m | |
| RED ROCK CREEK | Iowa | 1915 | 104 | 7.0 m | |
| SMALL STREAM | Iowa | 1986 | 104 | 10.1 m | |
| MIDDLE RIVER | Iowa | 1940 | 103 | 67.7 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.