US Bridges

Red Hill Rd(cr 52) over Gsp

Fair

Monmouth County, New Jersey · 4.5 MI SE of GSP&RT36 JCT · Structure no. 361139T

Built
1954
71 years old, rebuilt 1996
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
449 ft
8 main spans
Daily traffic
31,506
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Red Hill Rd(cr 52) over Gsp is a steel continuous stringer/multi-beam or girder carrying Red Hill Rd(cr 52) over Gsp in Monmouth County, New Jersey. It was built in 1954 and reconstructed in 1996, 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 5 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 31,506 vehicles a day, roughly 4% of them trucks, projected to reach 38,444 by 2044. The structure is 449 ft (136.9 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRed Hill Rd(cr 52)
CrossesGsp
Location4.5 MI SE of GSP&RT36 JCT
RouteCounty Highway 52
CountyMonmouth County
StateNew Jersey
Coordinates40.37459, -74.14699
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length449 ft (136.9 m)
Longest span78 ft (23.8 m)
Deck width59 ft (17.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,506 (2024)
Projected traffic38,444 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$4.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Red Hill Rd(cr 52) over Gsp built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1996.

What condition is Red Hill Rd(cr 52) over Gsp 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 Red Hill Rd(cr 52) over Gsp carry?

About 31,506 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Red Hill Rd(cr 52) over Gsp?

The structure is 449 ft (136.9 m) long with a longest span of 78 ft (23.8 m) and a deck 59 ft wide.

Who owns Red Hill Rd(cr 52) over Gsp?

It is owned by the State Toll Authority.