Mountain Avenue over I-78

Fair Condition61 years old4,780 vehicles/day

Location

StateNew Jersey
CountySomerset
Location0.46 Mi E Of I-78 Exit 36
CarriesMountain Avenue
CrossesI-78
Coordinates40.64744, -74.51344

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length254.9 ft (77.7 m)
Max Span89.9 ft (27.4 m)
Deck Width44.0 ft (13.4 m)
Deck Area1041.2 sq m
Main Spans4
Year Built1965 (reconstructed 1995)

Traffic

Avg Daily Traffic4,780 (2022)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number1817170

Nearby Bridges