Structure 999905600570121 · Marion County, KS

Us56 K15 HWY over South Cottonwood River

Carries Us56 K15 HWY over South Cottonwood River, 0.57 Mi E Wjct K15.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 38 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built1949rebuilt 1970
Length37.7 ft11.5 m
Daily traffic3,882counted 2023
Last inspectedOctober 2023every 24 months

Location

StateKansas
CountyMarion
Location0.57 Mi E Wjct K15
CarriesUs56 K15 HWY
CrossesSouth Cottonwood River
Coordinates38.36222, -97.32417

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length37.7 ft (11.5 m)
Max Span12.1 ft (3.7 m)
Deck Width69.6 ft (21.2 m)
Deck Area243.8 sq m
Main Spans3
Year Built1949 (reconstructed 1970)

Traffic

Avg Daily Traffic3,882 (2023)
Truck Traffic34%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number999905600570121

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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