Structure 41503300000000 · Jefferson County, IL

Tr-125 over Creek

Carries Tr-125 over Creek, 5 Mi N Mt Vernon.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets 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 FT38 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 38 ft across with 4 openings. 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, so those are drawn as typical for a culvert.

Built198937 years old
Length38.1 ft11.6 m
Daily traffic150counted 2021
Last inspectedFebruary 2022every 48 months

Location

StateIllinois
CountyJefferson
Location5 Mi N Mt Vernon
CarriesTr-125
CrossesCreek
Coordinates38.40277, -88.89756

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length38.1 ft (11.6 m)
Max Span8.9 ft (2.7 m)
Deck Area70.8 sq m
Main Spans4
Year Built1989

Traffic

Avg Daily Traffic150 (2021)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number041503300000000

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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