US Bridges

Gsp NB Ramp over Nj Turnpike Roadways

Fair

Middlesex County, New Jersey · 0.95 MI North of US 9 · Structure no. 361297A

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
2 main spans
Daily traffic
19,913
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp NB Ramp over Nj Turnpike Roadways is a steel continuous stringer/multi-beam or girder carrying Gsp NB Ramp over Nj Turnpike Roadways in Middlesex County, New Jersey. It was built in 1970, so it is 55 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 5 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 19,913 vehicles a day, roughly 1% of them trucks, projected to reach 36,513 by 2043. The structure is 238 ft (72.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGsp NB Ramp
CrossesNj Turnpike Roadways
Location0.95 MI North of US 9
CountyMiddlesex County
StateNew Jersey
Coordinates40.54086, -74.30799
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span118 ft (36 m)
Deck width41 ft (12.6 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic19,913 (2023)
Projected traffic36,513 by 2043
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp NB Ramp over Nj Turnpike Roadways built?

It was built in 1970, making it 55 years old in 2025.

What condition is Gsp NB Ramp over Nj Turnpike Roadways 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 March 2023.

How much traffic does Gsp NB Ramp over Nj Turnpike Roadways carry?

About 19,913 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Gsp NB Ramp over Nj Turnpike Roadways?

The structure is 238 ft (72.5 m) long with a longest span of 118 ft (36 m) and a deck 41 ft wide.

Who owns Gsp NB Ramp over Nj Turnpike Roadways?

It is owned by the State Toll Authority.