Structure 36040 · Johnson County, MO

RT E E over Black Jack CR

Carries RT E E over Black Jack CR, S 14 T 47 N R 25 W.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure9/9 · Excellent
Substructure9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT139 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 9/9Substructure 9/9

139 ft end to end, longest span 55 ft. 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.

Built20197 years old
Length138.8 ft42.3 m
Daily traffic412counted 2024
Last inspectedDecember 2024every 24 months

Location

StateMissouri
CountyJohnson
LocationS 14 T 47 N R 25 W
CarriesRT E E
CrossesBlack Jack CR
Coordinates38.87242, -93.63064

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Single/Spread
Total Length138.8 ft (42.3 m)
Max Span55.1 ft (16.8 m)
Deck Width26.6 ft (8.1 m)
Deck Area342.6 sq m
Main Spans3
Year Built2019

Traffic

Avg Daily Traffic412 (2024)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number36040

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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