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 |
|---|---|---|---|---|---|
| ELLIOTT CREEK | Iowa | 1958 | 797 | 6.4 m | |
| OTTER CREEK | Iowa | 1931 | 797 | 11.6 m | |
| SOLDIER CREEK | Iowa | 1999 | 790 | 27.7 m | |
| SOAP CREEK | Iowa | 1970 | 790 | 47.2 m | |
| SMALL STREAM | Iowa | 1952 | 790 | 19.5 m | |
| NELSON CREEK | Iowa | 1966 | 789 | 24.4 m | |
| BR W PLATTE RIVER | Iowa | 1957 | 788 | 17.4 m | |
| JONES CREEK | Iowa | 1929 | 788 | 14.3 m | |
| DREYS DITCH | Iowa | 1920 | 787 | 9.1 m | |
| LITTLE WAPSIPINICON | Iowa | 1967 | 786 | 51.8 m | |
| IOWA RIVER OVERFLOW | Iowa | 1968 | 786 | 9.8 m | |
| IOWA RIVER OVERFLOW | Iowa | 1967 | 786 | 69.2 m | |
| IOWA RIVER | Iowa | 1968 | 786 | 153.9 m | |
| INDIAN CREEK | Iowa | 1986 | 780 | 17.4 m | |
| WOLF CREEK | Iowa | 1950 | 779 | 55.5 m | |
| DD | Iowa | 1971 | 776 | 20.7 m | |
| SMALL STREAM | Iowa | 1968 | 776 | 23.5 m | |
| BR BUFFALO CREEK | Iowa | 1962 | 776 | 7.6 m | |
| CRAIN CREEK | Iowa | 1965 | 776 | 38.7 m | |
| E NISHNA RIVER OVERFLOW | Iowa | 1957 | 771 | 77.1 m | |
| LITTLE BEAR CREEK | Iowa | 1977 | 770 | 31.4 m | |
| CHERRY CREEK | Iowa | 1970 | 770 | 46.6 m | |
| HAWKEYE CREEK | Iowa | 1938 | 770 | 37.2 m | |
| DES MOINES RIVER | Iowa | 1972 | 769 | 220.4 m | |
| PRAIRIE CREEK | Iowa | 1961 | 766 | 6.4 m | |
| DRAINAGE DITCH | Iowa | 1927 | 760 | 7.9 m | |
| SOUTH FORK CATFISH CREEK | Iowa | 1926 | 756 | 17.7 m | |
| RALSTON CREEK | Iowa | 1910 | 754 | 8.5 m | |
| WALNUT CREEK | Iowa | 1967 | 750 | 50.0 m | |
| STREAM | Iowa | 1924 | 750 | 10.7 m | |
| WAPSIPINICON RIVER | Iowa | 1965 | 750 | 195.7 m | |
| WALNUT CREEK | Iowa | 1951 | 750 | 55.8 m | |
| STREAM-D.D.196 | Iowa | 1900 | 748 | 9.8 m | |
| CASCADE LANDING | Iowa | 1896 | 743 | 141.4 m | |
| WHITE FOX CREEK | Iowa | 1963 | 742 | 13.1 m | |
| YANKEE RUN CREEK | Iowa | 1957 | 740 | 23.2 m | |
| LINN CREEK | Iowa | 1988 | 737 | 30.5 m | |
| SMALL NATURAL STREAM | Iowa | 1935 | 737 | 6.4 m | |
| W.FK GRAND RIVER | Iowa | 1935 | 737 | 65.2 m | |
| BOHEMIAN CREEK | Iowa | 1951 | 730 | 28.0 m | |
| BUCK CREEK | Iowa | 1976 | 727 | 31.4 m | |
| WAPSIPINICON RIVER | Iowa | 1976 | 727 | 110.0 m | |
| GLOVERS CREEK | Iowa | 1914 | 719 | 10.7 m | |
| BLUFF CREEK | Iowa | 1957 | 718 | 9.4 m | |
| OVERFLOW | Iowa | 1969 | 718 | 11.0 m | |
| BOHEMIAN CREEK | Iowa | 1951 | 717 | 28.0 m | |
| BR IOWA RIVER | Iowa | 1995 | 717 | 6.1 m | |
| SHORT CREEK | Iowa | 1968 | 717 | 31.1 m | |
| COMPETINE CREEK | Iowa | 1967 | 710 | 6.4 m | |
| MUD CREEK | Iowa | 1969 | 709 | 39.0 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.