I0049 over La 478

Good Condition40 years old18,305 vehicles/day

Location

StateLouisiana
CountyNatchitoches
LocationI-49 Over La478
CarriesI0049
CrossesLa 478
Coordinates31.66527, -93.10180

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length290.0 ft (88.4 m)
Max Span89.9 ft (27.4 m)
Deck Width42.7 ft (13 m)
Deck Area1149.2 sq m
Main Spans2
Year Built1986

Traffic

Avg Daily Traffic18,305 (2021)
Truck Traffic30%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number083504550623811

Nearby Bridges