I0310 over Swamp

Good Condition34 years old15,642 vehicles/day

Location

StateLouisiana
CountySt. Charles
Location0.15 M North Of US 61
CarriesI0310
CrossesSwamp
Coordinates29.97774, -90.31740

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length1498.0 ft (456.6 m)
Max Span75.1 ft (22.9 m)
Deck Width27.9 ft (8.5 m)
Deck Area3881.1 sq m
Main Spans20
Year Built1992

Traffic

Avg Daily Traffic15,642 (2021)
Truck Traffic25%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number024504503602777

Nearby Bridges