Structure 97000300000000 · White County, IL

I 64 EB over Tr-422 & Wabash Rv

Carries I 64 EB over Tr-422 & Wabash Rv, SE Grayville.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,705 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 4/9 · sets the ratingSubstructure 5/9

2,705 ft end to end, longest span 160 ft: about 7.5 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 girder bridge.

Built196759 years old
Length2705.1 ft824.5 m
Daily traffic7,450counted 2024
Last inspectedApril 2024every 12 months

Location

StateIllinois
CountyWhite
LocationSE Grayville
CarriesI 64 EB
CrossesTr-422 & Wabash Rv
Coordinates38.22894, -87.98673

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length2705.1 ft (824.5 m)
Max Span160.1 ft (48.8 m)
Deck Width36.1 ft (11 m)
Deck Area9069.5 sq m
Main Spans8
Year Built1967

Traffic

Avg Daily Traffic7,450 (2024)
Truck Traffic38%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number097000300000000

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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