US Bridges

Gsp over Rahway River

Fair

Union County, New Jersey · 5.4 M N of Nj 27 · Structure no. 361373T

Built
1948
77 years old, rebuilt 1979
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
79 ft
1 main span
Daily traffic
247,670
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp over Rahway River is a concrete culvert carrying Gsp over Rahway River in Union County, New Jersey. It was built in 1948 and reconstructed in 1979, so it is 77 years old, older 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 247,670 vehicles a day, roughly 1% of them trucks, projected to reach 302,205 by 2043. The structure is 79 ft (24.1 m) long and 168 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGsp
CrossesRahway River
Location5.4 M N of Nj 27
CountyUnion County
StateNew Jersey
Coordinates40.63937, -74.29042
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length79 ft (24.1 m)
Longest span74 ft (22.6 m)
Deck width168 ft (51.1 m)
Roadway width158 ft (48.2 m)
Vertical clearance over deck14 ft (4.1 m)

Traffic and service

Average daily traffic247,670 (2023)
Projected traffic302,205 by 2043
Trucks1%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gsp over Rahway River built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1979.

What condition is Gsp 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 July 2023.

How much traffic does Gsp over Rahway River carry?

About 247,670 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Gsp over Rahway River?

The structure is 79 ft (24.1 m) long with a longest span of 74 ft (22.6 m) and a deck 168 ft wide.

Who owns Gsp over Rahway River?

It is owned by the State Toll Authority.