US Bridges

Holmdel RD (cr 4) over Gsp Sbi & Sbo

Fair

Monmouth County, New Jersey · 1.5 MI SE of GSP&RT36 JCT · Structure no. 361167S

Built
1953
72 years old, rebuilt 1975
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
281 ft
4 main spans
Daily traffic
7,340
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Holmdel RD (cr 4) over Gsp Sbi & Sbo is a steel stringer/multi-beam or girder carrying Holmdel RD (cr 4) over Gsp Sbi & Sbo in Monmouth County, New Jersey. It was built in 1953 and reconstructed in 1975, 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 7,340 vehicles a day, roughly 4% of them trucks, projected to reach 8,956 by 2044. The structure is 281 ft (85.6 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHolmdel RD (cr 4)
CrossesGsp Sbi & Sbo
Location1.5 MI SE of GSP&RT36 JCT
RouteCounty Highway 4
CountyMonmouth County
StateNew Jersey
Coordinates40.39949, -74.18901
Functional classUrban Minor Arterial

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 2024
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 rating74.6 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length281 ft (85.6 m)
Longest span103 ft (31.4 m)
Deck width40 ft (12.3 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,340 (2024)
Projected traffic8,956 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5.6 million (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Holmdel RD (cr 4) over Gsp Sbi & Sbo built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1975.

What condition is Holmdel RD (cr 4) over Gsp Sbi & Sbo 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 2024.

How much traffic does Holmdel RD (cr 4) over Gsp Sbi & Sbo carry?

About 7,340 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Holmdel RD (cr 4) over Gsp Sbi & Sbo?

The structure is 281 ft (85.6 m) long with a longest span of 103 ft (31.4 m) and a deck 40 ft wide.

Who owns Holmdel RD (cr 4) over Gsp Sbi & Sbo?

It is owned by the State Toll Authority.