Structure 40317700000000 · Jasper County, IL

Tr-317 over Big Muddy Creek

Carries Tr-317 over Big Muddy Creek, 1 Mi West Cips Lake.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT103 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

103 ft end to end, longest span 37 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.

Built198244 years old
Length103.0 ft31.4 m
Daily traffic150counted 2021
Last inspectedJanuary 2022every 48 months

Location

StateIllinois
CountyJasper
Location1 Mi West Cips Lake
CarriesTr-317
CrossesBig Muddy Creek
Coordinates38.89405, -88.32878

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length103.0 ft (31.4 m)
Max Span37.1 ft (11.3 m)
Deck Width26.6 ft (8.1 m)
Deck Area254.3 sq m
Main Spans3
Year Built1982

Traffic

Avg Daily Traffic150 (2021)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number040317700000000

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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