Structure 20314100000000 · De Witt County, IL

Tr 233 over Friends Creek

Carries Tr 233 over Friends Creek, 3.5 Mi SW Weldon.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT47 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 7/9Substructure 5/9 · sets the rating

47 ft end to end. 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.

Built198145 years old
Length46.9 ft14.3 m
Daily traffic25counted 2022
Last inspectedMarch 2024every 24 months

Location

StateIllinois
CountyDe Witt
Location3.5 Mi SW Weldon
CarriesTr 233
CrossesFriends Creek
Coordinates40.06982, -88.78394

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length46.9 ft (14.3 m)
Max Span45.9 ft (14 m)
Deck Width26.9 ft (8.2 m)
Deck Area117.3 sq m
Main Spans1
Year Built1981

Traffic

Avg Daily Traffic25 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number020314100000000

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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