Structure 11333200000000 · Christian County, IL

Tr 345 over Bear Creek

Carries Tr 345 over Bear Creek, 3.25 Mi E Harvel.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

52 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.

Built198640 years old
Length51.8 ft15.8 m
Daily traffic20counted 2021
Last inspectedDecember 2024every 24 months

Location

StateIllinois
CountyChristian
Location3.25 Mi E Harvel
CarriesTr 345
CrossesBear Creek
Coordinates39.36345, -89.47697

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length51.8 ft (15.8 m)
Max Span48.6 ft (14.8 m)
Deck Width24.0 ft (7.3 m)
Deck Area115.3 sq m
Main Spans1
Year Built1986

Traffic

Avg Daily Traffic20 (2021)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number011333200000000

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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