US Bridges

Gsp NB Ramp Gy &gt over US 9 NB Inner & Outer

Fair

Middlesex County, New Jersey · At Gsp & Rt 440 JCT · Structure no. 361280B

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
354 ft
6 main spans
Daily traffic
51,998
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp NB Ramp Gy &gt over US 9 NB Inner & Outer is a steel stringer/multi-beam or girder carrying Gsp NB Ramp Gy &gt over US 9 NB Inner & Outer in Middlesex County, New Jersey. It was built in 1968, so it is 57 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 51,998 vehicles a day, roughly 1% of them trucks, projected to reach 56,815 by 2043. The structure is 354 ft (107.9 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGsp NB Ramp Gy &gt
CrossesUS 9 NB Inner & Outer
LocationAt Gsp & Rt 440 JCT
CountyMiddlesex County
StateNew Jersey
Coordinates40.52, -74.30012
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
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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length354 ft (107.9 m)
Longest span120 ft (36.6 m)
Deck width59 ft (18.1 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,998 (2023)
Projected traffic56,815 by 2043
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp NB Ramp Gy &gt over US 9 NB Inner & Outer built?

It was built in 1968, making it 57 years old in 2025.

What condition is Gsp NB Ramp Gy &gt over US 9 NB Inner & Outer 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 Gy &gt over US 9 NB Inner & Outer carry?

About 51,998 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Gsp NB Ramp Gy &gt over US 9 NB Inner & Outer?

The structure is 354 ft (107.9 m) long with a longest span of 120 ft (36.6 m) and a deck 59 ft wide.

Who owns Gsp NB Ramp Gy &gt over US 9 NB Inner & Outer?

It is owned by the State Toll Authority.