I-78 WB (lr 1045) over So.mt.drive(t-422)

Good Condition38 years old30,149 vehicles/day

Location

StatePennsylvania
CountyNorthampton
LocationI-78 Over So.mt.drive
CarriesI-78 WB (lr 1045)
CrossesSo.mt.drive(t-422)
Coordinates40.59120, -75.36858

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length121.1 ft (36.9 m)
Max Span58.1 ft (17.7 m)
Deck Width47.6 ft (14.5 m)
Deck Area535.0 sq m
Main Spans3
Year Built1988

Traffic

Avg Daily Traffic30,149 (2024)
Truck Traffic17%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000028529

Nearby Bridges