Structure 999943500462231 · Johnson County, KS

I435 HWY SB over K10 HWY WB

Carries I435 HWY SB over K10 HWY WB, Jct K10/i435 SB.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT262 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

262 ft end to end, longest span 113 ft: about 4 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 multi-beam bridge.

Built198145 years old
Length262.1 ft79.9 m
Daily traffic42,900counted 2023
Last inspectedJuly 2024every 24 months

Location

StateKansas
CountyJohnson
LocationJct K10/i435 SB
CarriesI435 HWY SB
CrossesK10 HWY WB
Coordinates38.94472, -94.77139

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length262.1 ft (79.9 m)
Max Span112.9 ft (34.4 m)
Deck Width58.4 ft (17.8 m)
Deck Area1422.2 sq m
Main Spans3
Year Built1981

Traffic

Avg Daily Traffic42,900 (2023)
Truck Traffic8%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number999943500462231

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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