Structure 521950460000090 · Johnson County, KS

109th ST over Indian Ck

Carries 109th ST over Indian Ck, 400 W Of Indian Ck Pkw.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT213 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

213 ft end to end, longest span 60 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 slab bridge.

Built199927 years old
Length212.9 ft64.9 m
Daily traffic3,000counted 2024
Last inspectedMarch 2024every 24 months

Location

StateKansas
CountyJohnson
Location400 W Of Indian Ck Pkw
Carries109th ST
CrossesIndian Ck
Coordinates38.93104, -94.69796

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length212.9 ft (64.9 m)
Max Span59.7 ft (18.2 m)
Deck Width83.0 ft (25.3 m)
Deck Area1642.0 sq m
Main Spans4
Year Built1999

Traffic

Avg Daily Traffic3,000 (2024)
Truck Traffic2%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number521950460000090

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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