Structure 17208 · Osage County, MO

County RD 631 over Br Of Brush CR

Carries County RD 631 over Br Of Brush CR, S 13 T 42 N R 9 W.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating3/9 · Serious
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 3/9 · sets the rating

32 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 girder bridge.

Built194086 years old
Length32.2 ft9.8 m
Daily traffic20counted 2023
Last inspectedApril 2023every 24 months

Location

StateMissouri
CountyOsage
LocationS 13 T 42 N R 9 W
CarriesCounty RD 631
CrossesBr Of Brush CR
Coordinates38.39394, -91.87906

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length32.2 ft (9.8 m)
Max Span28.9 ft (8.8 m)
Deck Width13.8 ft (4.2 m)
Deck Area41.2 sq m
Main Spans1
Year Built1940

Traffic

Avg Daily Traffic20 (2023)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number17208

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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