Structure 16039600000000 · Cook County, IL

39th ST (pershing) over Racine AVE & Rr

Carries 39th ST (pershing) over Racine AVE & Rr, 1.3 W I-94.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 2 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating2/9 · Critical
Substructure3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT652 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 2/9 · sets the ratingSubstructure 3/9

652 ft end to end, longest span 107 ft: about 1.8 football fields. 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.

Built1936rebuilt 1979
Length652.2 ft198.8 m
Daily traffic15,500counted 2022
Last inspectedNovember 2024every 12 months

Location

StateIllinois
CountyCook
Location1.3 W I-94
Carries39th ST (pershing)
CrossesRacine AVE & Rr
Coordinates41.82332, -87.65598

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length652.2 ft (198.8 m)
Max Span107.0 ft (32.6 m)
Deck Width56.4 ft (17.2 m)
Deck Area3419.4 sq m
Main Spans13
Year Built1936 (reconstructed 1979)

Traffic

Avg Daily Traffic15,500 (2022)
Truck Traffic13%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016039600000000

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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