Structure 91004800000000 · Union County, IL

Fas 924-ch 4 Exit over Interstate 57

Carries Fas 924-ch 4 Exit over Interstate 57, 0.2 Mi W Lick Creek.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT214 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

214 ft end to end, longest span 59 ft: about 3 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.

Built1959rebuilt 2001
Length214.2 ft65.3 m
Daily traffic600counted 2020
Last inspectedFebruary 2024every 24 months

Location

StateIllinois
CountyUnion
Location0.2 Mi W Lick Creek
CarriesFas 924-ch 4 Exit
CrossesInterstate 57
Coordinates37.52304, -89.07960

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length214.2 ft (65.3 m)
Max Span59.4 ft (18.1 m)
Deck Width35.1 ft (10.7 m)
Deck Area698.7 sq m
Main Spans4
Year Built1959 (reconstructed 2001)

Traffic

Avg Daily Traffic600 (2020)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number091004800000000

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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