Nj 31 SB over I-78

Fair Condition59 years old14,852 vehicles/day

Location

StateNew Jersey
CountyHunterdon
LocationAt Nj 31 Interchange
CarriesNj 31 SB
CrossesI-78
Coordinates40.63886, -74.89298

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length222.1 ft (67.7 m)
Max Span115.2 ft (35.1 m)
Deck Width46.6 ft (14.2 m)
Deck Area961.3 sq m
Main Spans2
Year Built1967 (reconstructed 1994)

Traffic

Avg Daily Traffic14,852 (2022)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number1017153

Nearby Bridges