Structure 16984200000000 · Cook County, IL

I-294 NB over Ridgeland AVE

Carries I-294 NB over Ridgeland AVE, 1.6 M S Ill 7 P26.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT135 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

135 ft end to end, longest span 65 ft. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built195868 years old
Length134.8 ft41.1 m
Daily traffic71,700counted 2023
Last inspectedApril 2024every 24 months

Location

StateIllinois
CountyCook
Location1.6 M S Ill 7 P26
CarriesI-294 NB
CrossesRidgeland AVE
Coordinates41.68282, -87.77933

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length134.8 ft (41.1 m)
Max Span65.0 ft (19.8 m)
Deck Width61.0 ft (18.6 m)
Deck Area764.5 sq m
Main Spans2
Year Built1958

Traffic

Avg Daily Traffic71,700 (2023)
Truck Traffic19%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016984200000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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