Structure 80410 · Butler County, KS

SE Chelsea Rs 78 over Trib. To Little Walnut

Carries SE Chelsea Rs 78 over Trib. To Little Walnut, 0.1n Of K96 @ Leon.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

25 ft end to end, longest span 12 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.

Built194185 years old
Length24.9 ft7.6 m
Daily traffic375counted 2021
Last inspectedFebruary 2025every 24 months

Location

StateKansas
CountyButler
Location0.1n Of K96 @ Leon
CarriesSE Chelsea Rs 78
CrossesTrib. To Little Walnut
Coordinates37.67848, -96.78444

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length24.9 ft (7.6 m)
Max Span12.5 ft (3.8 m)
Deck Width31.8 ft (9.7 m)
Deck Area73.7 sq m
Main Spans2
Year Built1941

Traffic

Avg Daily Traffic375 (2021)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number000000000080410

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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