SR 12 over Black Bayou Trib

Fair Condition43 years old600 vehicles/day

Location

StateMississippi
CountyWashington
Location9.6 Mi E SR 1
CarriesSR 12
CrossesBlack Bayou Trib
Coordinates33.16658, -90.89903

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length81.0 ft (24.7 m)
Max Span40.0 ft (12.2 m)
Deck Width35.1 ft (10.7 m)
Deck Area264.3 sq m
Main Spans2
Year Built1983

Traffic

Avg Daily Traffic600 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number310001207601090

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