Structure 999907001050961 · Wyandotte County, KS

I-70 WB Highway over Old K32 Local RD Kaw

Carries I-70 WB Highway over Old K32 Local RD Kaw, 0.38 Mi E I70/i635 Jct.

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 FT827 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

827 ft end to end, longest span 115 ft: about 2.3 football fields. 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.

Built1956rebuilt 2015
Length827.4 ft252.2 m
Daily traffic44,100counted 2023
Last inspectedJune 2023every 24 months

Location

StateKansas
CountyWyandotte
Location0.38 Mi E I70/i635 Jct
CarriesI-70 WB Highway
CrossesOld K32 Local RD Kaw
Coordinates39.10111, -94.67083

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length827.4 ft (252.2 m)
Max Span115.2 ft (35.1 m)
Deck Width54.1 ft (16.5 m)
Deck Area4161.3 sq m
Main Spans9
Year Built1956 (reconstructed 2015)

Traffic

Avg Daily Traffic44,100 (2023)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge8

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number999907001050961

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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