Structure 35302900000000 · Hardin County, IL

Fas 2934 over Big Creek

Carries Fas 2934 over Big Creek, 2 Mi S Karbers Ridge.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT68 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

68 ft end to end, longest span 23 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.

Built198046 years old
Length67.9 ft20.7 m
Daily traffic225counted 2023
Last inspectedSeptember 2021every 48 months

Location

StateIllinois
CountyHardin
Location2 Mi S Karbers Ridge
CarriesFas 2934
CrossesBig Creek
Coordinates37.55866, -88.31808

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length67.9 ft (20.7 m)
Max Span23.0 ft (7 m)
Deck Width26.2 ft (8 m)
Deck Area165.6 sq m
Main Spans3
Year Built1980

Traffic

Avg Daily Traffic225 (2023)
Truck Traffic22%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2021
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number035302900000000

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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