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 |
|---|---|---|---|---|---|
| RICHLAND CK&C WIS RR | Illinois | 1929 | 475 | 138.5 m | |
| RAVINE | Illinois | 1913 | 475 | 24.4 m | |
| FAI 70 | Illinois | 1960 | 475 | 74.5 m | |
| LITTLE MUDDY | Illinois | 1970 | 475 | 12.2 m | |
| DEER CR | Illinois | 1969 | 475 | 8.2 m | |
| KISHWAUKEE OVERFLOW | Illinois | 1978 | 475 | 29.6 m | |
| RAYHILL SLOUGH | Illinois | 1954 | 475 | 48.5 m | |
| W BR LITTLE WABASH R | Illinois | 1916 | 475 | 8.5 m | |
| Five Mile Branch | Illinois | 1962 | 450 | 27.2 m | |
| UNUSED LAND | Illinois | 1966 | 450 | 253.6 m | |
| TOMS CREEK | Illinois | 1976 | 450 | 10.4 m | |
| E.FK. OTTER CK. | Illinois | 1959 | 450 | 48.2 m | |
| PANTHER CREEK | Illinois | 1958 | 450 | 8.8 m | |
| DRAINAGE DITCH | Illinois | 1927 | 450 | 6.9 m | |
| BIG MUDDY CREEK | Illinois | 1951 | 450 | 48.8 m | |
| WB I-474 | Illinois | 1980 | 450 | 118.9 m | |
| I-74 | Illinois | 1980 | 450 | 100.3 m | |
| ADDISON CR | Illinois | 1928 | 450 | 9.8 m | |
| ADDISON CR | Illinois | 1928 | 450 | 9.8 m | |
| ISLAND LAKE | Illinois | 1975 | 450 | 12.3 m | |
| MAUVAISE TERRE CREEK | Illinois | 1969 | 450 | 10.4 m | |
| I & M CANAL | Illinois | 1961 | 450 | 10.4 m | |
| CAMP CREEK | Illinois | 1968 | 450 | 10.4 m | |
| L. CRAB ORCHARD CRK. | Illinois | 1984 | 450 | 24.1 m | |
| MIDDLE AUX SABLE | Illinois | 2009 | 425 | 16.8 m | |
| HUGHLETTS BRANCH | Illinois | 1952 | 425 | 14.0 m | |
| STOCKWELL BRANCH | Illinois | 1909 | 425 | 12.8 m | |
| I-474 | Illinois | 1978 | 425 | 79.2 m | |
| LITTLE MUDDY CREEK | Illinois | 1941 | 425 | 43.0 m | |
| W.BR. HORSE CR. | Illinois | 1962 | 425 | 19.8 m | |
| BLUE CREEK | Illinois | 1987 | 425 | 15.7 m | |
| ADDISON CREEK | Illinois | 1952 | 425 | 33.2 m | |
| BR OF SOMONAUK CREEK | Illinois | 1985 | 425 | 12.8 m | |
| GRAPE CREEK | Illinois | 1985 | 425 | 28.7 m | |
| STREAM | Illinois | 1939 | 425 | 7.3 m | |
| DRAINAGE DITCH | Illinois | 1978 | 425 | 8.5 m | |
| CC&P RR | Illinois | 1945 | 425 | 42.5 m | |
| PISCASAW CREEK | Illinois | 1959 | 425 | 38.4 m | |
| UNNAMED STREAM | Illinois | 1980 | 400 | 12.2 m | |
| GOOSEBERRY CREEK | Illinois | 1979 | 400 | 19.5 m | |
| SPARROW CR | Illinois | 1971 | 400 | 23.2 m | |
| SUNNYLAND DRAIN | Illinois | 1959 | 400 | 6.9 m | |
| SO FORK KENT CREEK | Illinois | 1928 | 400 | 8.5 m | |
| DRAINAGE DITCH | Illinois | 1960 | 400 | 13.1 m | |
| RICHLAND CREEK | Illinois | 1993 | 400 | 49.2 m | |
| CLAYPOOL DRAIN DITCH | Illinois | 1981 | 400 | 17.7 m | |
| SAND CREEK | Illinois | 1909 | 400 | 10.7 m | |
| ENGEL CREEK | Illinois | 1981 | 400 | 26.8 m | |
| BR OF GREEN RIVER | Illinois | 1962 | 400 | 7.9 m | |
| CREEK | Illinois | 1929 | 400 | 7.0 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.