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.

Clear
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.