Structure 87302000000000 · Shelby County, IL

Tr 385 over Little Wabash

Carries Tr 385 over Little Wabash, 4.5 Mi NW Sigel.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 6/9

102 ft end to end. Lengths and the car 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 through truss.

Built1924102 years old
Length102.0 ft31.1 m
Daily traffic200counted 2024
Last inspectedMarch 2024every 24 months

Location

StateIllinois
CountyShelby
Location4.5 Mi NW Sigel
CarriesTr 385
CrossesLittle Wabash
Coordinates39.27333, -88.55583

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length102.0 ft (31.1 m)
Max Span100.1 ft (30.5 m)
Deck Width18.4 ft (5.6 m)
Deck Area174.2 sq m
Main Spans1
Year Built1924

Traffic

Avg Daily Traffic200 (2024)
Truck Traffic8%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number087302000000000

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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