US Bridges

Gsp NB over Herbertsville RD (549)

Good

Monmouth County, New Jersey · 1 MI S of Manasquan River · Structure no. 360948N

Built
1954
71 years old, rebuilt 2015
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
72,835
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp NB over Herbertsville RD (549) is a steel stringer/multi-beam or girder carrying Gsp NB over Herbertsville RD (549) in Monmouth County, New Jersey. It was built in 1954 and reconstructed in 2015, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 72,835 vehicles a day, roughly 3% of them trucks, projected to reach 80,150 by 2043. The structure is 56 ft (17.1 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGsp NB
CrossesHerbertsville RD (549)
Location1 MI S of Manasquan River
Coordinates40.12648, -74.12557
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length56 ft (17.1 m)
Longest span48 ft (14.6 m)
Deck width76 ft (23.2 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,835 (2023)
Projected traffic80,150 by 2043
Trucks3%
Lanes on structure4
Traffic directionOne-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$800,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp NB over Herbertsville RD (549) built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2015.

What condition is Gsp NB over Herbertsville RD (549) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Gsp NB over Herbertsville RD (549) carry?

About 72,835 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Gsp NB over Herbertsville RD (549)?

The structure is 56 ft (17.1 m) long with a longest span of 48 ft (14.6 m) and a deck 76 ft wide.

Who owns Gsp NB over Herbertsville RD (549)?

It is owned by the State Toll Authority.