Structure 82403000000000 · St. Clair County, IL

Wagner Rd/ Tr 40 over Sparrow CR

Carries Wagner Rd/ Tr 40 over Sparrow CR, 0.4 Mi S Ch 40.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating3/9 · Serious
Substructure6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT76 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 3/9 · sets the ratingSubstructure 6/9

76 ft end to end, longest span 28 ft. 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 channel-beam bridge.

Built197155 years old
Length76.1 ft23.2 m
Daily traffic400counted 2023
Last inspectedFebruary 2023every 24 months

Location

StateIllinois
CountySt. Clair
Location0.4 Mi S Ch 40
CarriesWagner Rd/ Tr 40
CrossesSparrow CR
Coordinates38.51324, -90.14556

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length76.1 ft (23.2 m)
Max Span27.9 ft (8.5 m)
Deck Width29.9 ft (9.1 m)
Deck Area211.1 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic400 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number082403000000000

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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