I-78 Ramp "a" over Beaver Brook

Fair Condition58 years old5,685 vehicles/day

Location

StateNew Jersey
CountyHunterdon
Location.5 Mi.w Of I-78 W Exit 18
CarriesI-78 Ramp "a"
CrossesBeaver Brook
Coordinates40.64117, -74.87769

Condition Ratings

Overall ConditionFair
Channel/Waterway7 (Good)
Culvert6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length30.8 ft (9.4 m)
Max Span30.8 ft (9.4 m)
Deck Area60.2 sq m
Main Spans1
Year Built1968

Traffic

Avg Daily Traffic5,685 (2024)
Truck Traffic9%
Lanes On Bridge1

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number1018151

Nearby Bridges

I-78 Ramp A over Route 78 0.1 mi Fair I-78 Ramp "c" over Beaver Brook 0.1 mi Good I-78 over Beaver Brook 0.2 mi Poor I-78 WB over Allerton Road 0.3 mi Fair I-78EB(US 22 Eb) over Allerton Road (co. 633) 0.3 mi Fair County Route 633 over Beaver Brook 0.3 mi Fair I-78 Westbound over US 22 Westbound 0.4 mi Fair I-78 EB over US 22 WB 0.4 mi Fair RTE I-78 & Ramp R over Beaver Brook 0.5 mi Fair Nj 31 NB over 78 & Rmp[31 SB To 78 Eb] 0.6 mi Fair