Structure 16242900000000 · Cook County, IL

Il 50 (cicero AVE over Rr - Csxt

Carries Il 50 (cicero AVE over Rr - Csxt, 0.3 M S 115th ST.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT265 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

265 ft end to end, longest span 103 ft: about 4 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 multi-beam bridge.

Built197056 years old
Length264.8 ft80.7 m
Daily traffic37,400counted 2023
Last inspectedDecember 2023every 24 months

Location

StateIllinois
CountyCook
Location0.3 M S 115th ST
CarriesIl 50 (cicero AVE
CrossesRr - Csxt
Coordinates41.67931, -87.73891

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length264.8 ft (80.7 m)
Max Span103.3 ft (31.5 m)
Deck Width71.9 ft (21.9 m)
Deck Area1767.3 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic37,400 (2023)
Truck Traffic7%
Lanes On Bridge4

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 Number016242900000000

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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