Structure 7157 · Lawrence County, MO

RT Yy S over White Oak CR

Carries RT Yy S over White Oak CR, S 17 T 29 N R 28 W.

Overall conditionPoor

Set by its lowest-rated component: Deck at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT119 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 5/9Substructure 5/9

119 ft end to end, longest span 51 ft. Lengths and the car 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.

Built195967 years old
Length119.1 ft36.3 m
Daily traffic71counted 2024
Last inspectedJuly 2024every 12 months

Location

StateMissouri
CountyLawrence
LocationS 17 T 29 N R 28 W
CarriesRT Yy S
CrossesWhite Oak CR
Coordinates37.22326, -94.01424

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length119.1 ft (36.3 m)
Max Span51.2 ft (15.6 m)
Deck Width22.3 ft (6.8 m)
Deck Area246.8 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic71 (2024)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number7157

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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