Structure 12759 · Vernon County, MO

County RD 650 over W Fk CR

Carries County RD 650 over W Fk CR, S 36 T 38 N R 33 W.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

62 ft end to end. 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.

Built1920rebuilt 1991
Length62.0 ft18.9 m
Daily traffic30counted 2023
Last inspectedDecember 2023every 24 months

Location

StateMissouri
CountyVernon
LocationS 36 T 38 N R 33 W
CarriesCounty RD 650
CrossesW Fk CR
Coordinates38.04078, -94.50744

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length62.0 ft (18.9 m)
Max Span59.1 ft (18 m)
Deck Width18.0 ft (5.5 m)
Deck Area104.0 sq m
Main Spans1
Year Built1920 (reconstructed 1991)

Traffic

Avg Daily Traffic30 (2023)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number12759

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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