US Bridges

Nj Route 18 N.B. over CR 537

Fair

Monmouth County, New Jersey · 2.89 MI S of Rt 79 JCT · Structure no. 1324157

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
1 main span
Daily traffic
24,465
2023 count
Owner
State
State Highway Agency

About this bridge

Nj Route 18 N.B. over CR 537 is a steel stringer/multi-beam or girder carrying Nj Route 18 N.B. over CR 537 in Monmouth County, New Jersey. It was built in 1973, so it is 52 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 24,465 vehicles a day, roughly 5% of them trucks, projected to reach 29,358 by 2043. The structure is 114 ft (34.7 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNj Route 18 N.B.
CrossesCR 537
Location2.89 MI S of Rt 79 JCT
RouteState Highway 18
CountyMonmouth County
StateNew Jersey
Coordinates40.27542, -74.22096
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span110 ft (33.5 m)
Deck width51 ft (15.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,465 (2023)
Projected traffic29,358 by 2043
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$61,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj Route 18 N.B. over CR 537 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nj Route 18 N.B. over CR 537 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 March 2023.

How much traffic does Nj Route 18 N.B. over CR 537 carry?

About 24,465 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nj Route 18 N.B. over CR 537?

The structure is 114 ft (34.7 m) long with a longest span of 110 ft (33.5 m) and a deck 51 ft wide.

Who owns Nj Route 18 N.B. over CR 537?

It is owned by the State Highway Agency.