Poor Condition Bridges in Illinois
2,563 bridges rated Poor condition in Illinois. 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 2,563 such bridges in Illinois.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| OVERFLOW SANGAMON R | Illinois | 1979 | 575 | 34.3 m | |
| LAKE COSMAN | Illinois | 1969 | 575 | 7.9 m | |
| THE SNY | Illinois | 1966 | 575 | 37.2 m | |
| Prairie Creek | Illinois | 1993 | 575 | 24.3 m | |
| APPLE RIVER | Illinois | 1937 | 575 | 19.5 m | |
| Nippersink | Illinois | 1960 | 575 | 21.3 m | |
| BR OF NIPPERSINK CR | Illinois | 1960 | 575 | 27.4 m | |
| LONETREE DITCH | Illinois | 1979 | 575 | 12.2 m | |
| Stream | Illinois | 1991 | 575 | 17.2 m | |
| STREAM E OF US 45 | Illinois | 1900 | 550 | 10.1 m | |
| I-74 | Illinois | 1967 | 550 | 69.5 m | |
| BR OF FRANKLIN CR | Illinois | 1966 | 550 | 6.7 m | |
| TRIB STEVENS CREEK | Illinois | 2011 | 550 | 25.1 m | |
| OVERFLOW OF SANGAMON | Illinois | 1979 | 550 | 34.3 m | |
| E BR BRUSHY CREEK | Illinois | 1967 | 550 | 31.7 m | |
| DESPLAINES RIVER | Illinois | 1991 | 550 | 44.0 m | |
| E Fork Lamoine River | Illinois | 1931 | 550 | 32.4 m | |
| PUNCHEON CREEK | Illinois | 1956 | 550 | 12.8 m | |
| RAVINE | Illinois | 1912 | 525 | 32.3 m | |
| I-74 | Illinois | 1960 | 525 | 56.2 m | |
| SOUTHERN RR | Illinois | 1960 | 525 | 29.3 m | |
| SPOON RIVER | Illinois | 2003 | 525 | 17.6 m | |
| LITTLE BEAUCOUP CRK | Illinois | 1959 | 525 | 27.7 m | |
| LITTLE WABASH RIVER | Illinois | 1978 | 525 | 36.6 m | |
| BR S BR KISHWAUKEE R | Illinois | 1980 | 525 | 14.3 m | |
| Trib to Dunlap Lake | Illinois | 1991 | 525 | 9.6 m | |
| EAST CREEK | Illinois | 1958 | 525 | 39.2 m | |
| LONG CREEK | Illinois | 1964 | 525 | 12.6 m | |
| NETTLE CREEK | Illinois | 1969 | 525 | 10.7 m | |
| BRUSHY FORK SYSTEM | Illinois | 1909 | 525 | 9.1 m | |
| Chain of Rocks Cn & 2 LR | Illinois | 1949 | 525 | 721.8 m | |
| BRAINARDS BRANCH | Illinois | 1966 | 500 | 12.5 m | |
| WELCH CREEK TRIB | Illinois | 1975 | 500 | 11.6 m | |
| LITTLE PIASA CK | Illinois | 1972 | 500 | 24.9 m | |
| I- 57 | Illinois | 1962 | 500 | 55.0 m | |
| I-294 | Illinois | 1968 | 500 | 146.9 m | |
| SPRING CREEK | Illinois | 1983 | 500 | 22.9 m | |
| I-55 | Illinois | 1973 | 500 | 81.9 m | |
| BRUSHY FORK | Illinois | 1933 | 500 | 32.3 m | |
| KILBUCK CREEK | Illinois | 1981 | 500 | 39.9 m | |
| BEAR CREEK | Illinois | 1952 | 500 | 21.9 m | |
| WABASH RIVER | Illinois | 1906 | 500 | 439.2 m | |
| WABASH RIVER | Illinois | 1906 | 500 | 321.3 m | |
| ELLISON DIVERSION DI | Illinois | 1985 | 500 | 46.3 m | |
| EXLINE SLOUGH | Illinois | 1974 | 500 | 29.9 m | |
| ADAMS CREEK | Illinois | 1987 | 475 | 13.4 m | |
| RICHLAND CK&C WIS RR | Illinois | 1929 | 475 | 138.5 m | |
| W BR LITTLE WABASH R | Illinois | 1916 | 475 | 8.5 m | |
| FAI 70 | Illinois | 1960 | 475 | 74.5 m | |
| DEER CR | Illinois | 1969 | 475 | 8.2 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.