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 |
|---|---|---|---|---|---|
| MUD CREEK | Iowa | 1969 | 709 | 39.0 m | |
| LITTLE ROCK RIVER | Iowa | 1954 | 709 | 61.0 m | |
| CREEK | Iowa | 1966 | 707 | 6.7 m | |
| LITTLE WAPSIPINICON RVR | Iowa | 1968 | 707 | 55.5 m | |
| RAILROAD CREEK | Iowa | 1900 | 699 | 10.4 m | |
| DD # 77 NO LIZARD CK | Iowa | 1973 | 698 | 27.7 m | |
| KEG CREEK | Iowa | 1951 | 698 | 51.2 m | |
| SKUNK RIVER | Iowa | 1974 | 698 | 46.0 m | |
| SMALL CREEK | Iowa | 1986 | 697 | 9.1 m | |
| LUTES CREEK | Iowa | 1957 | 697 | 33.2 m | |
| TROUT RIVER | Iowa | 1958 | 697 | 7.3 m | |
| ENGLISH RIVER | Iowa | 1958 | 690 | 63.7 m | |
| LONG CREEK | Iowa | 1966 | 690 | 9.1 m | |
| LONG CREEK | Iowa | 1966 | 690 | 8.8 m | |
| ABANDON RR | Iowa | 1977 | 689 | 57.0 m | |
| MUD CREEK | Iowa | 1968 | 688 | 38.4 m | |
| TIPTON CR | Iowa | 1974 | 687 | 34.1 m | |
| BLOODY RUN CREEK | Iowa | 1927 | 687 | 12.5 m | |
| BLACK HAWK CREEK | Iowa | 1979 | 687 | 68.9 m | |
| BEAVERDAM CREEK | Iowa | 1969 | 687 | 53.6 m | |
| BEAVER DAM CREEK | Iowa | 1961 | 687 | 30.5 m | |
| DRAINAGE | Iowa | 1900 | 684 | 12.2 m | |
| INDIAN CREEK | Iowa | 1936 | 684 | 8.8 m | |
| DRAINAGE | Iowa | 1972 | 680 | 39.0 m | |
| NEELY BRANCH | Iowa | 1962 | 678 | 47.9 m | |
| BRANCH IOWA RIVER | Iowa | 1965 | 678 | 13.4 m | |
| FLINT RIVER | Iowa | 1974 | 670 | 58.5 m | |
| JIM CREEK | Iowa | 1948 | 668 | 46.6 m | |
| FLOOD CREEK | Iowa | 1930 | 668 | 28.0 m | |
| SMALL STREAM | Iowa | 1960 | 660 | 6.4 m | |
| LITTLE CEDAR CREEK | Iowa | 1968 | 658 | 31.4 m | |
| NORTH WALNUT CREEK | Iowa | 1990 | 650 | 35.4 m | |
| WALNUT CREEK | Iowa | 1990 | 650 | 41.1 m | |
| BRUSHY FORK CREEK | Iowa | 1964 | 650 | 10.4 m | |
| LITTLE CEDAR CREEK | Iowa | 1972 | 650 | 39.3 m | |
| PLAGUE MINE CREEK | Iowa | 1976 | 650 | 25.3 m | |
| SALT CREEK | Iowa | 1976 | 650 | 87.8 m | |
| SUGAR CREEK | Iowa | 1976 | 650 | 39.0 m | |
| INDIAN CREEK | Iowa | 1967 | 649 | 22.9 m | |
| SMALL NATURAL STREAM | Iowa | 1940 | 649 | 8.5 m | |
| BEAR CREEK | Iowa | 1951 | 648 | 47.2 m | |
| SMALL NATURAL STREAM | Iowa | 1959 | 643 | 9.4 m | |
| SUGAR CREEK | Iowa | 1960 | 640 | 7.0 m | |
| SOAP CREEK | Iowa | 1956 | 640 | 61.3 m | |
| OSCAR CREEK | Iowa | 1917 | 640 | 7.9 m | |
| DRAINAGE DITCH | Iowa | 1959 | 639 | 29.0 m | |
| STREAM | Iowa | 1966 | 638 | 13.1 m | |
| MUDDY CREEK | Iowa | 1967 | 628 | 7.9 m | |
| WHISKEY CREEK | Iowa | 1967 | 628 | 31.4 m | |
| DRAINAGE | Iowa | 1973 | 628 | 10.1 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.