US Bridges

Gsp Nbi over Telegraph Hill Road

Fair

Monmouth County, New Jersey · 2.5 MI SE of GSP&RT36 JCT · Structure no. 361159I

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
29,335
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp Nbi over Telegraph Hill Road is a prestressed concrete box beam or girders - multiple carrying Gsp Nbi over Telegraph Hill Road in Monmouth County, New Jersey. It was built in 1972, so it is 53 years old, younger 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 29,335 vehicles a day, roughly 1% of them trucks, projected to reach 35,794 by 2044. The structure is 90 ft (27.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGsp Nbi
CrossesTelegraph Hill Road
Location2.5 MI SE of GSP&RT36 JCT
Coordinates40.38922, -74.17871
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,335 (2024)
Projected traffic35,794 by 2044
Trucks1%
Lanes on structure2
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$750,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp Nbi over Telegraph Hill Road built?

It was built in 1972, making it 53 years old in 2025.

What condition is Gsp Nbi over Telegraph Hill 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 May 2024.

How much traffic does Gsp Nbi over Telegraph Hill Road carry?

About 29,335 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Gsp Nbi over Telegraph Hill Road?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 41 ft wide.

Who owns Gsp Nbi over Telegraph Hill Road?

It is owned by the State Toll Authority.