I0059 over Indian Bayou

Fair Condition64 years old33,925 vehicles/day

Location

StateLouisiana
CountySt. Tammany
LocationI0059
CarriesI0059
CrossesIndian Bayou
Coordinates30.42688, -89.71730

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length339.9 ft (103.6 m)
Max Span20.0 ft (6.1 m)
Deck Width42.7 ft (13 m)
Deck Area1346.8 sq m
Main Spans14
Year Built1962 (reconstructed 1989)

Traffic

Avg Daily Traffic33,925 (2021)
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number625204530108692

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