Structure 31047803585 · Atchison County, KS

Local Rd. K.5-21.1 over Trib. Independence Ck.

Carries Local Rd. K.5-21.1 over Trib. Independence Ck., 0.5n 3.2w Of Atchison.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

24 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 multi-beam bridge.

Built200125 years old
Length24.3 ft7.4 m
Daily traffic10counted 2007
Last inspectedJuly 2024every 24 months

Location

StateKansas
CountyAtchison
Location0.5n 3.2w Of Atchison
CarriesLocal Rd. K.5-21.1
CrossesTrib. Independence Ck.
Coordinates39.57269, -95.19572

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length24.3 ft (7.4 m)
Max Span23.0 ft (7 m)
Deck Width24.0 ft (7.3 m)
Deck Area54.0 sq m
Main Spans1
Year Built2001

Traffic

Avg Daily Traffic10 (2007)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000031047803585

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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