Structure 9999081B0590231 · McPherson County, KS

Us-81 Alt HWY SB over I135 HWY Wl-el

Carries Us-81 Alt HWY SB over I135 HWY Wl-el, Jct Us81 Alt/i135.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT217 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

217 ft end to end, longest span 68 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 box-beam bridge.

Built196957 years old
Length216.5 ft66 m
Daily traffic2,837counted 2023
Last inspectedOctober 2023every 24 months

Location

StateKansas
CountyMcPherson
LocationJct Us81 Alt/i135
CarriesUs-81 Alt HWY SB
CrossesI135 HWY Wl-el
Coordinates38.34000, -97.62111

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length216.5 ft (66 m)
Max Span67.9 ft (20.7 m)
Deck Width42.0 ft (12.8 m)
Deck Area844.8 sq m
Main Spans4
Year Built1969

Traffic

Avg Daily Traffic2,837 (2023)
Truck Traffic12%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number9999081B0590231

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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