US Bridges

Garden ST Pkwy Sbo over U.S. Route 9

Fair

Middlesex County, New Jersey · 1.5 MI S of Raritan Toll · Structure no. 361245U

Built
1953
72 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
216 ft
4 main spans
Daily traffic
45,238
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Garden ST Pkwy Sbo over U.S. Route 9 is a steel stringer/multi-beam or girder carrying Garden ST Pkwy Sbo over U.S. Route 9 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 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 45,238 vehicles a day, roughly 1% of them trucks, projected to reach 78,264 by 2043. The structure is 216 ft (65.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGarden ST Pkwy Sbo
CrossesU.S. Route 9
Location1.5 MI S of Raritan Toll
CountyMiddlesex County
StateNew Jersey
Coordinates40.47119, -74.29613
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length216 ft (65.8 m)
Longest span61 ft (18.6 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,238 (2023)
Projected traffic78,264 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Garden ST Pkwy Sbo over U.S. Route 9 built?

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

What condition is Garden ST Pkwy Sbo over U.S. Route 9 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 Sbo over U.S. Route 9 carry?

About 45,238 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Garden ST Pkwy Sbo over U.S. Route 9?

The structure is 216 ft (65.8 m) long with a longest span of 61 ft (18.6 m) and a deck 50 ft wide.

Who owns Garden ST Pkwy Sbo over U.S. Route 9?

It is owned by the State Toll Authority.