I-78 EB over County Route 523

Fair Condition61 years old107,826 vehicles/day

Location

StateNew Jersey
CountyHunterdon
Location5.8 Mi West Of I-287
CarriesI-78 EB
CrossesCounty Route 523
Coordinates40.65053, -74.75469

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length81.0 ft (24.7 m)
Max Span77.1 ft (23.5 m)
Deck Width56.4 ft (17.2 m)
Deck Area424.8 sq m
Main Spans1
Year Built1965

Traffic

Avg Daily Traffic107,826 (2024)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number1018168

Nearby Bridges