US Bridges

Garden ST Pkwy Nbi over Ramp C to Service Area

Fair

Middlesex County, New Jersey · 2.1 MI S of Raritan Toll · Structure no. 361238I

Built
1972
53 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
36,039
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Garden ST Pkwy Nbi over Ramp C to Service Area is a prestressed concrete stringer/multi-beam or girder carrying Garden ST Pkwy Nbi over Ramp C to Service Area in Middlesex County, New Jersey. It was built in 1972, so it is 53 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 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 36,039 vehicles a day, roughly 1% of them trucks, projected to reach 51,594 by 2043. The structure is 78 ft (23.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGarden ST Pkwy Nbi
CrossesRamp C to Service Area
Location2.1 MI S of Raritan Toll
CountyMiddlesex County
StateNew Jersey
Coordinates40.46393, -74.28473
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length78 ft (23.8 m)
Longest span72 ft (21.9 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,039 (2023)
Projected traffic51,594 by 2043
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Garden ST Pkwy Nbi over Ramp C to Service Area built?

It was built in 1972, making it 53 years old in 2025.

What condition is Garden ST Pkwy Nbi over Ramp C to Service Area 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 February 2023.

How much traffic does Garden ST Pkwy Nbi over Ramp C to Service Area carry?

About 36,039 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Garden ST Pkwy Nbi over Ramp C to Service Area?

The structure is 78 ft (23.8 m) long with a longest span of 72 ft (21.9 m) and a deck 40 ft wide.

Who owns Garden ST Pkwy Nbi over Ramp C to Service Area?

It is owned by the State Toll Authority.