Structure 999900400440341 · Jefferson County, KS

K4 HWY over Walnut Creek

Carries K4 HWY over Walnut Creek, 4.34 Mi Ne-e Jct K16.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT194 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

194 ft end to end, longest span 64 ft: about 3 semi-trucks nose to tail. 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 tee-beam bridge.

Built197749 years old
Length193.6 ft59 m
Daily traffic1,987counted 2023
Last inspectedJune 2023every 24 months

Location

StateKansas
CountyJefferson
Location4.34 Mi Ne-e Jct K16
CarriesK4 HWY
CrossesWalnut Creek
Coordinates39.38500, -95.38722

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length193.6 ft (59 m)
Max Span64.0 ft (19.5 m)
Deck Width45.9 ft (14 m)
Deck Area826 sq m
Main Spans3
Year Built1977

Traffic

Avg Daily Traffic1,987 (2023)
Truck Traffic32%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number999900400440341

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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