US Bridges

Gsp Ramp Y over US RT.9 SB & Ramp M

Fair

Middlesex County, New Jersey · At Gsp & US RT.9 JCT · Structure no. 361280A

Built
1953
72 years old
Condition
Fair
inspected March 2023
Type
Girder and Floorbeam System
Steel
Length
283 ft
3 main spans
Daily traffic
51,998
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp Ramp Y over US RT.9 SB & Ramp M is a steel girder and floorbeam system carrying Gsp Ramp Y over US RT.9 SB & Ramp M in Middlesex County, New Jersey. It was built in 1953, so it is 72 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 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 57,804 by 2043. The structure is 283 ft (86.3 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGsp Ramp Y
CrossesUS RT.9 SB & Ramp M
LocationAt Gsp & US RT.9 JCT
CountyMiddlesex County
StateNew Jersey
Coordinates40.51898, -74.30041
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length283 ft (86.3 m)
Longest span155 ft (47.2 m)
Deck width51 ft (15.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic51,998 (2023)
Projected traffic57,804 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$8.9 million (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp Ramp Y over US RT.9 SB & Ramp M built?

It was built in 1953, making it 72 years old in 2025.

What condition is Gsp Ramp Y over US RT.9 SB & Ramp M 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 Ramp Y over US RT.9 SB & Ramp M carry?

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

How long is Gsp Ramp Y over US RT.9 SB & Ramp M?

The structure is 283 ft (86.3 m) long with a longest span of 155 ft (47.2 m) and a deck 51 ft wide.

Who owns Gsp Ramp Y over US RT.9 SB & Ramp M?

It is owned by the State Toll Authority.