US Bridges

Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd)

Fair

Middlesex County, New Jersey · 0.6 MI S of Raritan Toll · Structure no. 361254I

Built
1971
54 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
3 main spans
Daily traffic
41,025
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd) is a steel stringer/multi-beam or girder carrying Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd) in Middlesex County, New Jersey. It was built in 1971, so it is 54 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 41,025 vehicles a day, roughly 1% of them trucks, projected to reach 66,043 by 2043. The structure is 171 ft (52.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGarden ST Pkwy Nbi
CrossesRaritan Rvr Rlrd (abnd)
Location0.6 MI S of Raritan Toll
Coordinates40.48145, -74.30152
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.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span58 ft (17.7 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,025 (2023)
Projected traffic66,043 by 2043
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd) built?

It was built in 1971, making it 54 years old in 2025.

What condition is Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd) 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 Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd) carry?

About 41,025 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd)?

The structure is 171 ft (52.1 m) long with a longest span of 58 ft (17.7 m) and a deck 41 ft wide.

Who owns Garden ST Pkwy Nbi over Raritan Rvr Rlrd (abnd)?

It is owned by the State Toll Authority.