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 |
|---|---|---|---|---|---|
| MIDDLE FORK VERM RIV | Illinois | 1910 | 10 | 46.7 m | |
| DRAINAGE DITCH | Illinois | 1909 | 10 | 7.3 m | |
| BR NORTH CREEK | Illinois | 1920 | 10 | 11.6 m | |
| BR NORTH CREEK | Illinois | 1915 | 10 | 11.3 m | |
| STREAM | Illinois | 1923 | 10 | 10.1 m | |
| STREAM | Illinois | 1921 | 10 | 13.1 m | |
| UNNAMED STREAM | Illinois | 1921 | 10 | 24.1 m | |
| EAGLE SLOUGH DRAINAG | Illinois | 1915 | 10 | 14.6 m | |
| LITTLE DRY FORK | Illinois | 1930 | 10 | 10.4 m | |
| STREAM | Illinois | 2009 | 10 | 10.0 m | |
| I-39/US 51 | Illinois | 1986 | — | 125.4 m | |
| BIG BUREAU CREEK | Illinois | 1939 | — | 25.3 m | |
| Meridosia Ditch | Illinois | 1901 | — | 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.