Structure 999943500462181 · Johnson County, KS

53rd ST over I435 HWY NB

Carries 53rd ST over I435 HWY NB, 0.76 Mi N Johnson Drive.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT176 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

176 ft end to end, longest span 94 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 rigid-frame bridge.

Built197947 years old
Length176.2 ft53.7 m
Daily traffic1,037counted 2023
Last inspectedJuly 2024every 24 months

Location

StateKansas
CountyJohnson
Location0.76 Mi N Johnson Drive
Carries53rd ST
CrossesI435 HWY NB
Coordinates39.03278, -94.78722

Physical Characteristics

MaterialSteel Continuous
DesignFrame
Total Length176.2 ft (53.7 m)
Max Span93.5 ft (28.5 m)
Deck Width45.9 ft (14 m)
Deck Area751.8 sq m
Main Spans3
Year Built1979

Traffic

Avg Daily Traffic1,037 (2023)
Lanes On Bridge2
Lanes Under Bridge3

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 Number999943500462181

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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