US Bridges

Garden ST Pkwy Nbo over Ramp C to Service Area

Fair

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

Built
1972
53 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
43,038
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Garden ST Pkwy Nbo over Ramp C to Service Area is a prestressed concrete stringer/multi-beam or girder carrying Garden ST Pkwy Nbo 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 43,038 vehicles a day, roughly 1% of them trucks, projected to reach 65,882 by 2043. The structure is 70 ft (21.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGarden ST Pkwy Nbo
CrossesRamp C to Service Area
Location2.1 MI S of Raritan Toll
Coordinates40.46397, -74.2836
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length70 ft (21.3 m)
Longest span64 ft (19.5 m)
Deck width52 ft (16 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,038 (2023)
Projected traffic65,882 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Garden ST Pkwy Nbo 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 Nbo 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 Nbo over Ramp C to Service Area carry?

About 43,038 vehicles per day (2023 count), of which roughly 1% are trucks.

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

The structure is 70 ft (21.3 m) long with a longest span of 64 ft (19.5 m) and a deck 52 ft wide.

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

It is owned by the State Toll Authority.