US Bridges

Red Hill Road over North Jersey Coast Line

PoorPosted for load

Monmouth County, New Jersey · 1.90MI NE of Gsp Ex. 114 · Structure no. 1360161

Built
1922
103 years old
Condition
Poor
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
50 ft
1 main span
Daily traffic
7,253
2024 count
Owner
Unknown
Unknown

About this bridge

Red Hill Road over North Jersey Coast Line is a steel girder and floorbeam system carrying Red Hill Road over North Jersey Coast Line in Monmouth County, New Jersey. It was built in 1922, so it is 103 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 7,253 vehicles a day, roughly 4% of them trucks, projected to reach 8,850 by 2044. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRed Hill Road
CrossesNorth Jersey Coast Line
Location1.90MI NE of Gsp Ex. 114
RouteCity Street 0
Coordinates40.39467, -74.12272
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating8 US tons
Inventory rating4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,253 (2024)
Projected traffic8,850 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Red Hill Road over North Jersey Coast Line built?

It was built in 1922, making it 103 years old in 2025.

What condition is Red Hill Road over North Jersey Coast Line in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Red Hill Road over North Jersey Coast Line carry?

About 7,253 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Red Hill Road over North Jersey Coast Line?

The structure is 50 ft (15.2 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns Red Hill Road over North Jersey Coast Line?

It is owned by the Unknown and maintained by the Other State Agency.