US Bridges

78 WB Inner&ramp O over Rahway River

Fair

Union County, New Jersey · 0.1MI W of Interch. 49 · Structure no. 2010172

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
109 ft
3 main spans
Daily traffic
87,989
2023 count
Owner
State
State Highway Agency

About this bridge

78 WB Inner&ramp O over Rahway River is a concrete culvert carrying 78 WB Inner&ramp O over Rahway River in Union County, New Jersey. It was built in 1967, so it is 58 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 87,989 vehicles a day, roughly 9% of them trucks, projected to reach 107,363 by 2043. The structure is 109 ft (33.2 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries78 WB Inner&ramp O
CrossesRahway River
Location0.1MI W of Interch. 49
RouteInterstate 78
Coordinates40.71415, -74.2999
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span35 ft (10.7 m)
Deck width64 ft (19.5 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,989 (2023)
Projected traffic107,363 by 2043
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 78 WB Inner&ramp O over Rahway River built?

It was built in 1967, making it 58 years old in 2025.

What condition is 78 WB Inner&ramp O over Rahway River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does 78 WB Inner&ramp O over Rahway River carry?

About 87,989 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is 78 WB Inner&ramp O over Rahway River?

The structure is 109 ft (33.2 m) long with a longest span of 35 ft (10.7 m) and a deck 64 ft wide.

Who owns 78 WB Inner&ramp O over Rahway River?

It is owned by the State Highway Agency.