Structure 16980500000000 · Cook County, IL

I-294 SB over Is 88 (e-w Toll)

Carries I-294 SB over Is 88 (e-w Toll), 0.5 M N Ill 38 P20.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT466 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

466 ft end to end, longest span 80 ft: about 6 semi-trucks nose to tail. 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 bridge of this kind.

Built195868 years old
Length465.9 ft142 m
Daily traffic68,550counted 2023
Last inspectedMay 2023every 24 months

Location

StateIllinois
CountyCook
Location0.5 M N Ill 38 P20
CarriesI-294 SB
CrossesIs 88 (e-w Toll)
Coordinates41.86906, -87.91720

Physical Characteristics

MaterialSteel
DesignOther
Total Length465.9 ft (142 m)
Max Span80.1 ft (24.4 m)
Deck Width50.9 ft (15.5 m)
Deck Area2,201 sq m
Main Spans6
Year Built1958

Traffic

Avg Daily Traffic68,550 (2023)
Truck Traffic19%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016980500000000

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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