Structure 630570 · Montgomery County, KS

6000 RD Mile 21 over Stream

Carries 6000 RD Mile 21 over Stream, 1.0w 4.0n Of Cherryvale.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

23 ft end to end. 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
Length22.6 ft6.9 m
Daily traffic250counted 2010
Last inspectedMarch 2023every 24 months

Location

StateKansas
CountyMontgomery
Location1.0w 4.0n Of Cherryvale
Carries6000 RD Mile 21
CrossesStream
Coordinates37.33996, -95.58287

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length22.6 ft (6.9 m)
Max Span19.7 ft (6 m)
Deck Width26.6 ft (8.1 m)
Deck Area55.9 sq m
Main Spans1
Year Built1941

Traffic

Avg Daily Traffic250 (2010)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical4 — Foundations need monitoring
Structure Number000000000630570

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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