US Bridges

Nj 18 NB over Wayside Road

Fair

Monmouth County, New Jersey · .26 Miles North of Gs Pky · Structure no. 1323151

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
1 main span
Daily traffic
16,230
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 18 NB over Wayside Road is a steel stringer/multi-beam or girder carrying Nj 18 NB over Wayside Road in Monmouth County, New Jersey. It was built in 1979, so it is 46 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 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 16,230 vehicles a day, roughly 5% of them trucks, projected to reach 19,800 by 2042. The structure is 130 ft (39.6 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj 18 NB
CrossesWayside Road
Location.26 Miles North of Gs Pky
RouteState Highway 18
CountyMonmouth County
StateNew Jersey
Coordinates40.28106, -74.08834
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span126 ft (38.4 m)
Deck width49 ft (14.8 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,230 (2024)
Projected traffic19,800 by 2042
Trucks5%
Lanes on structure2
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 18 NB over Wayside Road built?

It was built in 1979, making it 46 years old in 2025.

What condition is Nj 18 NB over Wayside 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 August 2024.

How much traffic does Nj 18 NB over Wayside Road carry?

About 16,230 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Nj 18 NB over Wayside Road?

The structure is 130 ft (39.6 m) long with a longest span of 126 ft (38.4 m) and a deck 49 ft wide.

Who owns Nj 18 NB over Wayside Road?

It is owned by the State Highway Agency.