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 |
|---|---|---|---|---|---|
| BONEYARD CREEK | Illinois | 1900 | 225 | 8.8 m | |
| LAKE BRANCH | Illinois | 1992 | 225 | 46.2 m | |
| ROOKS CREEK | Illinois | 1925 | 225 | 32.9 m | |
| FORKED CREEK | Illinois | 1990 | 225 | 34.6 m | |
| ADDISON CR | Illinois | 1928 | 225 | 9.8 m | |
| BUTTERFIELD CR | Illinois | 1964 | 225 | 9.4 m | |
| STREAM | Illinois | 1910 | 225 | 6.8 m | |
| MCHENRY SLOUGH | Illinois | 2008 | 225 | 16.0 m | |
| EMBARRAS RIVER | Illinois | 1955 | 225 | 43.7 m | |
| HACKETT BRANCH | Illinois | 1956 | 225 | 23.7 m | |
| CONRAIL RR | Illinois | 1901 | 225 | 30.2 m | |
| CREEK | Illinois | 1930 | 225 | 9.1 m | |
| COPPERAS CREEK | Illinois | 2003 | 225 | 41.8 m | |
| LAKE FORK | Illinois | 1978 | 225 | 46.1 m | |
| RACOON CREEK | Illinois | 1963 | 225 | 39.6 m | |
| JOHNNY RUN | Illinois | 1940 | 225 | 16.5 m | |
| LA HARPE CREEK | Illinois | 1949 | 225 | 46.9 m | |
| DROWNING FORK | Illinois | 1977 | 225 | 14.6 m | |
| MARYS RIVER | Illinois | 1965 | 225 | 13.4 m | |
| TRIB OF MARYS RV | Illinois | 1964 | 225 | 13.4 m | |
| LITTLE BEAR CREEK | Illinois | 1965 | 225 | 24.4 m | |
| SLOUGH CREEK | Illinois | 1968 | 225 | 7.5 m | |
| MUD CREEK TRIBUTARY | Illinois | 1958 | 225 | 17.4 m | |
| PINEY BRANCH | Illinois | 1977 | 225 | 12.2 m | |
| LONG CREEK | Illinois | 1960 | 225 | 14.6 m | |
| OTTER CREEK | Illinois | 1978 | 225 | 50.6 m | |
| SCRUB CREEK | Illinois | 1940 | 225 | 13.1 m | |
| WOLF CREEK | Illinois | 1940 | 225 | 9.4 m | |
| DUTCHMAN CR. TRIB. | Illinois | 1978 | 225 | 14.6 m | |
| TOWER CREEK | Illinois | 1973 | 225 | 23.5 m | |
| EAST AUX SABLE CK | Illinois | 1970 | 225 | 12.5 m | |
| AUX SABLE CK | Illinois | 1980 | 225 | 38.1 m | |
| BR. OF ROCK CREEK | Illinois | 1991 | 225 | 13.2 m | |
| CN RR | Illinois | 1998 | 200 | 57.4 m | |
| COAL CREEK | Illinois | 1957 | 200 | 21.6 m | |
| BEAUCOUP CREEK | Illinois | 1955 | 200 | 50.9 m | |
| LITTLE WABASH | Illinois | 1924 | 200 | 31.1 m | |
| HURRICANE CREEK | Illinois | 1994 | 200 | 31.6 m | |
| MUD CREEK | Illinois | 1961 | 200 | 37.6 m | |
| E. FK. NETTLE CR | Illinois | 1991 | 200 | 18.8 m | |
| BARNES CREEK | Illinois | 1939 | 200 | 10.4 m | |
| SIXMILE CREEK | Illinois | 1969 | 200 | 96.9 m | |
| MUD CREEK | Illinois | 1959 | 200 | 32.9 m | |
| BRUSH CREEK | Illinois | 1914 | 200 | 8.2 m | |
| PLUM CR. BR. | Illinois | 1934 | 200 | 11.9 m | |
| CHANEY CREEK | Illinois | 1956 | 200 | 22.0 m | |
| OLD TOM CREEK | Illinois | 1922 | 200 | 13.1 m | |
| S HENDERSON CREEK | Illinois | 1921 | 200 | 61.3 m | |
| SPRING CR. TRIB. | Illinois | 1914 | 200 | 13.1 m | |
| N POPE CR | Illinois | 1958 | 200 | 12.8 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.