Structure 82032400000000 · St. Clair County, IL

EB 70 Ramp To EB 6 over I-55 And Ramps

Carries EB 70 Ramp To EB 6 over I-55 And Ramps, Flyover Ramp To Eb64.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT994 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

994 ft end to end, longest span 190 ft: about 2.8 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.

Built201412 years old
Length994.4 ft303.1 m
Daily traffic13,400counted 2023
Last inspectedNovember 2023every 24 months

Location

StateIllinois
CountySt. Clair
LocationFlyover Ramp To Eb64
CarriesEB 70 Ramp To EB 6
CrossesI-55 And Ramps
Coordinates38.63355, -90.14652

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length994.4 ft (303.1 m)
Max Span190.0 ft (57.9 m)
Deck Width37.1 ft (11.3 m)
Deck Area3425.0 sq m
Main Spans6
Year Built2014

Traffic

Avg Daily Traffic13,400 (2023)
Truck Traffic20%
Lanes On Bridge1
Lanes Under Bridge7

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number082032400000000

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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