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 |
|---|---|---|---|---|---|
| BLUE EARTH RIVER | Iowa | 1924 | 938 | 13.1 m | |
| INDIAN CREEK | Iowa | 1969 | 938 | 31.4 m | |
| SMALL STREAM | Iowa | 1980 | 937 | 7.6 m | |
| BRANCH YELLOW RIVER | Iowa | 1999 | 933 | 27.7 m | |
| LITTLE INDIAN CREEK | Iowa | 1968 | 928 | 7.9 m | |
| SMITH CREEK | Iowa | 1928 | 920 | 22.3 m | |
| EAST FORK CROOKED CREEK | Iowa | 1970 | 910 | 54.6 m | |
| N TIMBER CREEK | Iowa | 1963 | 903 | 16.5 m | |
| FRENCH CREEK | Iowa | 1962 | 899 | 23.8 m | |
| W FORK LITTLE SIOUX | Iowa | 1968 | 898 | 15.2 m | |
| FOX RIVER | Iowa | 1962 | 890 | 70.1 m | |
| LANDPHERE CREEK | Iowa | 1972 | 890 | 31.4 m | |
| PECHMAN CREEK | Iowa | 1974 | 880 | 13.1 m | |
| LONG BRANCH CREEK | Iowa | 1967 | 880 | 15.9 m | |
| DES MOINES RIVER | Iowa | 1957 | 880 | 379.5 m | |
| BR OF ENGLISH CREEK | Iowa | 1963 | 880 | 31.4 m | |
| DRAINAGE DITCH #52 | Iowa | 1953 | 880 | 9.8 m | |
| OVER-FLOW-NORTH RIVER | Iowa | 1970 | 880 | 23.8 m | |
| HURLEY CREEK | Iowa | 1973 | 875 | 18.3 m | |
| WEST FORK CEDAR RIVER | Iowa | 1964 | 874 | 84.1 m | |
| CREEK | Iowa | 1962 | 870 | 6.1 m | |
| SMALL STREAM | Iowa | 1962 | 869 | 15.5 m | |
| RED OAK CREEK | Iowa | 1965 | 861 | 13.4 m | |
| BUCK CREEK | Iowa | 1958 | 854 | 47.5 m | |
| SMALL NATURAL STREAM | Iowa | 1947 | 854 | 9.4 m | |
| SMALL NATURAL STREAM | Iowa | 1948 | 854 | 13.4 m | |
| NORTH SOAP CREEK | Iowa | 1968 | 850 | 55.5 m | |
| BOYER RIVER | Iowa | 1956 | 848 | 31.4 m | |
| DUGOUT CREEK | Iowa | 1970 | 843 | 27.7 m | |
| AURELIA CREEK | Iowa | 1939 | 841 | 10.7 m | |
| DRAINAGE DITCH 2 | Iowa | 1969 | 840 | 23.5 m | |
| SNAKE CREEK | Iowa | 1962 | 837 | 32.3 m | |
| NICHOLSON CREEK | Iowa | 1960 | 836 | 22.9 m | |
| PRAIRIE CREEK | Iowa | 1969 | 835 | 24.1 m | |
| MISSISSIPPI SLOUGH | Iowa | 1957 | 832 | 9.4 m | |
| BUTCHER CREEK | Iowa | 1952 | 830 | 19.5 m | |
| W BRANCH IOWA RIVER | Iowa | 1948 | 828 | 28.0 m | |
| MINK CREEK | Iowa | 1957 | 825 | 46.7 m | |
| SANDHAGEN CREEK | Iowa | 1965 | 825 | 23.8 m | |
| PRAIRIE CREEK | Iowa | 1960 | 820 | 6.4 m | |
| OTTER CREEK | Iowa | 1963 | 820 | 46.9 m | |
| EAGLE CREEK | Iowa | 1963 | 818 | 20.7 m | |
| FLOYD RIVER | Iowa | 1954 | 813 | 84.1 m | |
| S SKUNK RIVER | Iowa | 1961 | 810 | 107.0 m | |
| CARSON CREEK | Iowa | 1964 | 810 | 31.4 m | |
| S RIVER | Iowa | 1949 | 807 | 70.7 m | |
| RAILROAD CREEK | Iowa | 1900 | 803 | 13.1 m | |
| DRAINAGE DITCH | Iowa | 1948 | 803 | 6.4 m | |
| FRENCH CREEK | Iowa | 1962 | 800 | 23.8 m | |
| PLATTE RIVER | Iowa | 1976 | 800 | 37.5 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.