Structure 86002500000000 · Scott County, IL

Fai 72 EB over B&n Railroad (gone)

Carries Fai 72 EB over B&n Railroad (gone), 1.5mi E Exit 52.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT158 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

158 ft end to end, longest span 53 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.

Built197650 years old
Length158.5 ft48.3 m
Daily traffic4,400counted 2023
Last inspectedMay 2024every 24 months

Location

StateIllinois
CountyScott
Location1.5mi E Exit 52
CarriesFai 72 EB
CrossesB&n Railroad (gone)
Coordinates39.68123, -90.42903

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length158.5 ft (48.3 m)
Max Span53.5 ft (16.3 m)
Deck Width42.0 ft (12.8 m)
Deck Area618.2 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic4,400 (2023)
Truck Traffic36%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number086002500000000

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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