US Bridges

Ramp Ssw over Nj 18

Fair

Monmouth County, New Jersey · 2.9 MI South of Rt 36 Int · Structure no. 1329150

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
3 main spans
Daily traffic
760
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp Ssw over Nj 18 is a steel continuous stringer/multi-beam or girder carrying Ramp Ssw over Nj 18 in Monmouth County, New Jersey. It was built in 1987, so it is 38 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 760 vehicles a day, roughly 5% of them trucks, projected to reach 910 by 2044. The structure is 250 ft (76.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp Ssw
CrossesNj 18
Location2.9 MI South of Rt 36 Int
RouteState Highway 18
Coordinates40.25257, -74.05564
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.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length250 ft (76.2 m)
Longest span80 ft (24.4 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic760 (2024)
Projected traffic910 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Ssw over Nj 18 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ramp Ssw over Nj 18 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 Ramp Ssw over Nj 18 carry?

About 760 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ramp Ssw over Nj 18?

The structure is 250 ft (76.2 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns Ramp Ssw over Nj 18?

It is owned by the State Highway Agency.