La1040 over Natalbany River

Good Condition40 years old7,190 vehicles/day

Location

StateLouisiana
CountyTangipahoa
LocationTangi-liv. Parish Line
CarriesLa1040
CrossesNatalbany River
Coordinates30.48355, -90.55744

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length350.1 ft (106.7 m)
Max Span49.9 ft (15.2 m)
Deck Width42.0 ft (12.8 m)
Deck Area1365.8 sq m
Main Spans7
Year Built1986

Traffic

Avg Daily Traffic7,190 (2021)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number625308531000001

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