Structure 99005100000000 · Will County, IL

I- 80 WB over Midland AVE

Carries I- 80 WB over Midland AVE, 0.6 M E Il-7.

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 FT139 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 3/9 · sets the ratingSubstructure 5/9

139 ft end to end, longest span 55 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 multi-beam bridge.

Built196363 years old
Length138.8 ft42.3 m
Daily traffic23,850counted 2023
Last inspectedAugust 2024every 12 months

Location

StateIllinois
CountyWill
Location0.6 M E Il-7
CarriesI- 80 WB
CrossesMidland AVE
Coordinates41.51144, -88.11482

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length138.8 ft (42.3 m)
Max Span55.1 ft (16.8 m)
Deck Width44.0 ft (13.4 m)
Deck Area566.8 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic23,850 (2023)
Truck Traffic35%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number099005100000000

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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