US Bridges

Gsp over Sirt Railroad

Fair

Union County, New Jersey · 6.5 Mile North of Nj 27 · Structure no. 361384T

Built
1952
73 years old, rebuilt 1976
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
3 main spans
Daily traffic
220,314
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp over Sirt Railroad is a steel continuous stringer/multi-beam or girder carrying Gsp over Sirt Railroad 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 220,314 vehicles a day, roughly 1% of them trucks, projected to reach 297,909 by 2043. The structure is 233 ft (71 m) long and 135 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGsp
CrossesSirt Railroad
Location6.5 Mile North of Nj 27
CountyUnion County
StateNew Jersey
Coordinates40.65517, -74.28749
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 inspectionJune 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 rating64.6 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length233 ft (71 m)
Longest span77 ft (23.5 m)
Deck width135 ft (41.1 m)
Roadway width129 ft (39.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220,314 (2023)
Projected traffic297,909 by 2043
Trucks1%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 Gsp over Sirt Railroad built?

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

What condition is Gsp over Sirt Railroad 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 June 2023.

How much traffic does Gsp over Sirt Railroad carry?

About 220,314 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Gsp over Sirt Railroad?

The structure is 233 ft (71 m) long with a longest span of 77 ft (23.5 m) and a deck 135 ft wide.

Who owns Gsp over Sirt Railroad?

It is owned by the State Toll Authority.