US Bridges

Holmdel RD (cr 4) over Gsp Nbi & Nbo

Fair

Monmouth County, New Jersey · 1.5 MI SE of GSP&RT36 JCT · Structure no. 361169N

Built
1954
71 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
322 ft
5 main spans
Daily traffic
7,340
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Holmdel RD (cr 4) over Gsp Nbi & Nbo is a steel stringer/multi-beam or girder carrying Holmdel RD (cr 4) over Gsp Nbi & Nbo 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 7,340 vehicles a day, roughly 3% of them trucks, projected to reach 8,956 by 2044. The structure is 322 ft (98.1 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHolmdel RD (cr 4)
CrossesGsp Nbi & Nbo
Location1.5 MI SE of GSP&RT36 JCT
RouteCounty Highway 4
CountyMonmouth County
StateNew Jersey
Coordinates40.4011, -74.18918
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 rating79.7 US tons
Inventory rating61.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span72 ft (21.9 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,340 (2024)
Projected traffic8,956 by 2044
Trucks3%
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$16.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Holmdel RD (cr 4) over Gsp Nbi & Nbo built?

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

What condition is Holmdel RD (cr 4) over Gsp Nbi & Nbo 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 Nbi & Nbo carry?

About 7,340 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Holmdel RD (cr 4) over Gsp Nbi & Nbo?

The structure is 322 ft (98.1 m) long with a longest span of 72 ft (21.9 m) and a deck 41 ft wide.

Who owns Holmdel RD (cr 4) over Gsp Nbi & Nbo?

It is owned by the State Toll Authority.