Structure 11327600000000 · Christian County, IL

Tr 82 over Achenbach Branch

Carries Tr 82 over Achenbach Branch, 3.5 N Palmer.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 2 of 9.

How ratings work
Deck4/9 · Poor
Superstructure4/9 · Poor
Substructuresets the rating2/9 · Critical
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 2/9 · sets the rating

22 ft end to end, longest span 10 ft. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 slab bridge.

Built1920106 years old
Length22.0 ft6.7 m
Daily traffic50counted 2021
Last inspectedNovember 2024every 24 months

Location

StateIllinois
CountyChristian
Location3.5 N Palmer
CarriesTr 82
CrossesAchenbach Branch
Coordinates39.51577, -89.40382

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length22.0 ft (6.7 m)
Max Span10.5 ft (3.2 m)
Deck Width15.1 ft (4.6 m)
Deck Area30.8 sq m
Main Spans2
Year Built1920

Traffic

Avg Daily Traffic50 (2021)
Truck Traffic28%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number011327600000000

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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