Structure 16265400000000 · Cook County, IL

I- 90 94 Jfk over Air

Carries I- 90 94 Jfk over Air, Betw Logan & Western.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT144 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

144 ft end to end, longest span 20 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 slab bridge.

Built1960rebuilt 1994
Length143.7 ft43.8 m
Daily traffic204,600counted 2024
Last inspectedDecember 2023every 24 months

Location

StateIllinois
CountyCook
LocationBetw Logan & Western
CarriesI- 90 94 Jfk
CrossesAir
Coordinates41.92883, -87.68990

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length143.7 ft (43.8 m)
Max Span20.3 ft (6.2 m)
Deck Width166.3 ft (50.7 m)
Deck Area2220.7 sq m
Main Spans8
Year Built1960 (reconstructed 1994)

Traffic

Avg Daily Traffic204,600 (2024)
Truck Traffic6%
Lanes On Bridge10

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016265400000000

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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