US Bridges

Gsp Sbo over Swimming River

Fair

Monmouth County, New Jersey · 3.18 Mi. N. of GSP/18 JCT · Structure no. 361093U

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
254 ft
4 main spans
Daily traffic
53,294
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp Sbo over Swimming River is a steel stringer/multi-beam or girder carrying Gsp Sbo over Swimming River in Monmouth County, New Jersey. It was built in 1954, so it is 71 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 53,294 vehicles a day, roughly 1% of them trucks, projected to reach 70,248 by 2044. The structure is 254 ft (77.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGsp Sbo
CrossesSwimming River
Location3.18 Mi. N. of GSP/18 JCT
CountyMonmouth County
StateNew Jersey
Coordinates40.32493, -74.09888
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length254 ft (77.4 m)
Longest span83 ft (25.3 m)
Deck width50 ft (15.2 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,294 (2024)
Projected traffic70,248 by 2044
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Gsp Sbo over Swimming River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Gsp Sbo over Swimming River 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 August 2024.

How much traffic does Gsp Sbo over Swimming River carry?

About 53,294 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Gsp Sbo over Swimming River?

The structure is 254 ft (77.4 m) long with a longest span of 83 ft (25.3 m) and a deck 50 ft wide.

Who owns Gsp Sbo over Swimming River?

It is owned by the State Toll Authority.