Structure 9951 · Vernon County, MO

RT W S over Medigener CR

Carries RT W S over Medigener CR, S 33 T 36 N R 31 W.

Overall conditionPoor

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

How ratings work
Decksets the rating3/9 · Serious
Superstructure4/9 · Poor
Substructure4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 4/9Substructure 4/9

32 ft end to end, longest span 16 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.

Built1921105 years old
Length32.2 ft9.8 m
Daily traffic4,480counted 2024
Last inspectedJuly 2024every 12 months

Location

StateMissouri
CountyVernon
LocationS 33 T 36 N R 31 W
CarriesRT W S
CrossesMedigener CR
Coordinates37.85192, -94.35861

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length32.2 ft (9.8 m)
Max Span16.1 ft (4.9 m)
Deck Width35.4 ft (10.8 m)
Deck Area105.8 sq m
Main Spans2
Year Built1921

Traffic

Avg Daily Traffic4,480 (2024)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number9951

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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