Structure 16099200000000 · Cook County, IL

111th ST over I- 94 Bishop Ford

Carries 111th ST over I- 94 Bishop Ford, 3.1 M SE I-57.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating3/9 · Serious
Substructure5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT151 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 3/9 · sets the ratingSubstructure 5/9

151 ft end to end, longest span 55 ft: about 2 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.

Built1960rebuilt 2024
Length151.2 ft46.1 m
Daily traffic13,800counted 2022
Last inspectedJune 2024every 12 months

Location

StateIllinois
CountyCook
Location3.1 M SE I-57
Carries111th ST
CrossesI- 94 Bishop Ford
Coordinates41.69237, -87.59829

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length151.2 ft (46.1 m)
Max Span55.4 ft (16.9 m)
Deck Width74.1 ft (22.6 m)
Deck Area1041.9 sq m
Main Spans3
Year Built1960 (reconstructed 2024)

Traffic

Avg Daily Traffic13,800 (2022)
Truck Traffic7%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016099200000000

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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