US Bridges

Nj 18 Sb. over Rt 537

Fair

Monmouth County, New Jersey · 3.3 MI North of JCT 18-34 · Structure no. 1324156

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
1 main span
Daily traffic
27,103
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 18 Sb. over Rt 537 is a steel stringer/multi-beam or girder carrying Nj 18 Sb. over Rt 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 27,103 vehicles a day, roughly 4% of them trucks, projected to reach 32,523 by 2044. The structure is 114 ft (34.7 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 18 Sb.
CrossesRt 537
Location3.3 MI North of JCT 18-34
RouteState Highway 18
Coordinates40.2755, -74.22175
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating73 US tons

Structure

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 (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,103 (2024)
Projected traffic32,523 by 2044
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$172,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 18 Sb. over Rt 537 built?

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

What condition is Nj 18 Sb. over Rt 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 July 2024.

How much traffic does Nj 18 Sb. over Rt 537 carry?

About 27,103 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 18 Sb. over Rt 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 18 Sb. over Rt 537?

It is owned by the State Highway Agency.