Structure 42300300000000 · Jersey County, IL

Fas 746 over Trib Of Macoupin Cre

Carries Fas 746 over Trib Of Macoupin Cre, 3.7 Mi W US 267.

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
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

53 ft end to end, longest span 46 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 multi-beam bridge.

Built195373 years old
Length53.1 ft16.2 m
Daily traffic350counted 2022
Last inspectedJanuary 2024every 24 months

Location

StateIllinois
CountyJersey
Location3.7 Mi W US 267
CarriesFas 746
CrossesTrib Of Macoupin Cre
Coordinates39.18933, -90.21465

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length53.1 ft (16.2 m)
Max Span45.9 ft (14 m)
Deck Width26.2 ft (8 m)
Deck Area129.6 sq m
Main Spans3
Year Built1953

Traffic

Avg Daily Traffic350 (2022)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number042300300000000

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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