US Bridges

Gsp over Br Rahway River & Mains

Fair

Union County, New Jersey · 3.2 MI North of Nj 27 · Structure no. 361350T

Built
1947
78 years old, rebuilt 1977
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
278,487
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp over Br Rahway River & Mains is a concrete culvert carrying Gsp over Br Rahway River & Mains in Union County, New Jersey. It was built in 1947 and reconstructed in 1977, so it is 78 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 278,487 vehicles a day, roughly 1% of them trucks, projected to reach 339,807 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGsp
CrossesBr Rahway River & Mains
Location3.2 MI North of Nj 27
Coordinates40.61219, -74.31189
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
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic278,487 (2023)
Projected traffic339,807 by 2043
Trucks1%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gsp over Br Rahway River & Mains built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1977.

What condition is Gsp over Br Rahway River & Mains 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 Br Rahway River & Mains carry?

About 278,487 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Gsp over Br Rahway River & Mains?

The structure is 20 ft (6.1 m) long with a longest span of 13 ft (4 m).

Who owns Gsp over Br Rahway River & Mains?

It is owned by the State Toll Authority.