Structure 53300400000000 · Livingston County, IL

Fas 343 Ch-3 over Creek

Carries Fas 343 Ch-3 over Creek, 2.6 Mi N Of Chatswth.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT29 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

29 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 tee-beam bridge.

Built193195 years old
Length28.9 ft8.8 m
Daily traffic575counted 2023
Last inspectedOctober 2023every 24 months

Location

StateIllinois
CountyLivingston
Location2.6 Mi N Of Chatswth
CarriesFas 343 Ch-3
CrossesCreek
Coordinates40.79856, -88.29782

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length28.9 ft (8.8 m)
Max Span26.9 ft (8.2 m)
Deck Width38.1 ft (11.6 m)
Deck Area102.1 sq m
Main Spans1
Year Built1931

Traffic

Avg Daily Traffic575 (2023)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number053300400000000

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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