Structure 72850000000000 · McCurtain County, OK

4528c over Buzzard Creek

Carries 4528c over Buzzard Creek, 4.3 S; 1.8 E Valliant.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT92 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

92 ft end to end, longest span 31 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.

Built193987 years old
Length91.9 ft28 m
Daily traffic100counted 2022
Last inspectedApril 2023every 24 months

Location

StateOklahoma
CountyMcCurtain
Location4.3 S; 1.8 E Valliant
Carries4528c
CrossesBuzzard Creek
Coordinates33.93919, -95.05349

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length91.9 ft (28 m)
Max Span30.8 ft (9.4 m)
Deck Width21.0 ft (6.4 m)
Deck Area179.2 sq m
Main Spans3
Year Built1939

Traffic

Avg Daily Traffic100 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number072850000000000

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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