US Bridges

Gsp Nbo over Middletown-Lincroft Road

Fair

Monmouth County, New Jersey · 5.96 Mi. N of GSP/18N JCT · Structure no. 361121O

Built
1954
71 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
3 main spans
Daily traffic
43,581
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp Nbo over Middletown-Lincroft Road is a steel stringer/multi-beam or girder carrying Gsp Nbo over Middletown-Lincroft Road 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 43,581 vehicles a day, roughly 1% of them trucks, projected to reach 53,178 by 2044. The structure is 107 ft (32.6 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGsp Nbo
CrossesMiddletown-Lincroft Road
Location5.96 Mi. N of GSP/18N JCT
Coordinates40.35642, -74.12598
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 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 rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length107 ft (32.6 m)
Longest span36 ft (11 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,581 (2024)
Projected traffic53,178 by 2044
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$500,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp Nbo over Middletown-Lincroft Road built?

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

What condition is Gsp Nbo over Middletown-Lincroft Road 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 July 2024.

How much traffic does Gsp Nbo over Middletown-Lincroft Road carry?

About 43,581 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Gsp Nbo over Middletown-Lincroft Road?

The structure is 107 ft (32.6 m) long with a longest span of 36 ft (11 m) and a deck 50 ft wide.

Who owns Gsp Nbo over Middletown-Lincroft Road?

It is owned by the State Toll Authority.