Structure 999907300070101 · Brown County, KS

Us73 Us159 HWY over Wolf River

Carries Us73 Us159 HWY over Wolf River, 8.65 Mi N Wjct K20.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT173 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

173 ft end to end, longest span 70 ft: about 2 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.

Built196561 years old
Length172.6 ft52.6 m
Daily traffic2,619counted 2023
Last inspectedJune 2023every 24 months

Location

StateKansas
CountyBrown
Location8.65 Mi N Wjct K20
CarriesUs73 Us159 HWY
CrossesWolf River
Coordinates39.79250, -95.52694

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length172.6 ft (52.6 m)
Max Span69.9 ft (21.3 m)
Deck Width45.9 ft (14 m)
Deck Area736.4 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic2,619 (2023)
Truck Traffic13%
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 Critical3 — Scour critical
Structure Number999907300070101

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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