Structure 50890 · Barton County, KS

NE 30 RD over Walnut Creek

Carries NE 30 RD over Walnut Creek, 3.0n Of Great Bend.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT129 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

129 ft end to end, longest span 43 ft. Lengths and the semi-truck 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1948rebuilt 1969
Length128.9 ft39.3 m
Daily traffic2,470counted 2022
Last inspectedMarch 2023every 24 months

Location

StateKansas
CountyBarton
Location3.0n Of Great Bend
CarriesNE 30 RD
CrossesWalnut Creek
Coordinates38.40534, -98.75545

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length128.9 ft (39.3 m)
Max Span43.0 ft (13.1 m)
Deck Width44.0 ft (13.4 m)
Deck Area526.6 sq m
Main Spans3
Year Built1948 (reconstructed 1969)

Traffic

Avg Daily Traffic2,470 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000000050890

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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