Structure 68332400000000 · Montgomery County, IL

Tr 36 over Macoupin Creek

Carries Tr 36 over Macoupin Creek, 2 Mi SW Farmersville.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT126 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

126 ft end to end, longest span 42 ft. 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 box-beam bridge.

Built201214 years old
Length126.0 ft38.4 m
Daily traffic75counted 2020
Last inspectedJune 2022every 48 months

Location

StateIllinois
CountyMontgomery
Location2 Mi SW Farmersville
CarriesTr 36
CrossesMacoupin Creek
Coordinates39.40871, -89.68112

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length126.0 ft (38.4 m)
Max Span42.0 ft (12.8 m)
Deck Width27.9 ft (8.5 m)
Deck Area326.4 sq m
Main Spans3
Year Built2012

Traffic

Avg Daily Traffic75 (2020)
Truck Traffic35%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number068332400000000

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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