Structure 999913500870271 · Sedgwick County, KS

I135 HWY NB over Okt Rr Hydraulic AVE

Carries I135 HWY NB over Okt Rr Hydraulic AVE, 1.19 Mi N 21st ST NB.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT479 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

479 ft end to end, longest span 83 ft: about 7 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.

Built1970rebuilt 2002
Length478.7 ft145.9 m
Daily traffic36,128counted 2023
Last inspectedOctober 2024every 24 months

Location

StateKansas
CountySedgwick
Location1.19 Mi N 21st ST NB
CarriesI135 HWY NB
CrossesOkt Rr Hydraulic AVE
Coordinates37.73833, -97.31806

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length478.7 ft (145.9 m)
Max Span83.0 ft (25.3 m)
Deck Width68.2 ft (20.8 m)
Deck Area3034.7 sq m
Main Spans7
Year Built1970 (reconstructed 2002)

Traffic

Avg Daily Traffic36,128 (2023)
Truck Traffic6%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number999913500870271

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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