US Bridges

Garden ST Parkway over Michigan Avenue

Fair

Union County, New Jersey · 0.9 Miles North of Nj 28 · Structure no. 361395T

Built
1952
73 years old, rebuilt 1976
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
1 main span
Daily traffic
227,167
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Garden ST Parkway over Michigan Avenue is a steel stringer/multi-beam or girder carrying Garden ST Parkway over Michigan Avenue in Union County, New Jersey. It was built in 1952 and reconstructed in 1976, so it is 73 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 227,167 vehicles a day, roughly 1% of them trucks, projected to reach 304,385 by 2043. The structure is 91 ft (27.7 m) long and 148 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGarden ST Parkway
CrossesMichigan Avenue
Location0.9 Miles North of Nj 28
CountyUnion County
StateNew Jersey
Coordinates40.67072, -74.28279
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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span86 ft (26.2 m)
Deck width148 ft (45.1 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic227,167 (2023)
Projected traffic304,385 by 2043
Trucks1%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Garden ST Parkway over Michigan Avenue built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1976.

What condition is Garden ST Parkway over Michigan Avenue 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 July 2023.

How much traffic does Garden ST Parkway over Michigan Avenue carry?

About 227,167 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Garden ST Parkway over Michigan Avenue?

The structure is 91 ft (27.7 m) long with a longest span of 86 ft (26.2 m) and a deck 148 ft wide.

Who owns Garden ST Parkway over Michigan Avenue?

It is owned by the State Toll Authority.