Structure 41367500000000 · Jefferson County, IL

Tr-372 over Dodds Creek

Carries Tr-372 over Dodds Creek, 3 Mi W Oppyke.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT87 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 8/9

87 ft end to end, longest span 34 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 box-beam bridge.

Built199333 years old
Length86.6 ft26.4 m
Daily traffic275counted 2021
Last inspectedMay 2021every 48 months

Location

StateIllinois
CountyJefferson
Location3 Mi W Oppyke
CarriesTr-372
CrossesDodds Creek
Coordinates38.26372, -88.85273

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length86.6 ft (26.4 m)
Max Span33.8 ft (10.3 m)
Deck Width24.0 ft (7.3 m)
Deck Area192.7 sq m
Main Spans3
Year Built1993

Traffic

Avg Daily Traffic275 (2021)
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2021
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number041367500000000

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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