US Bridges

Dutch Lane Road over Nj 18

Fair

Monmouth County, New Jersey · 2.95E of Rt. 79 · Structure no. 1324158

Built
1973
52 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
198 ft
2 main spans
Daily traffic
969
2023 count
Owner
State
State Highway Agency

About this bridge

Dutch Lane Road over Nj 18 is a steel stringer/multi-beam or girder carrying Dutch Lane Road over Nj 18 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 969 vehicles a day, roughly 3% of them trucks, projected to reach 1,163 by 2043. The structure is 198 ft (60.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDutch Lane Road
CrossesNj 18
Location2.95E of Rt. 79
RouteCounty Highway 46
Coordinates40.29979, -74.23798
Functional classUrban Collector

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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span99 ft (30.2 m)
Deck width42 ft (12.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic969 (2023)
Projected traffic1,163 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$1.4 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dutch Lane Road over Nj 18 built?

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

What condition is Dutch Lane Road 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 January 2023.

How much traffic does Dutch Lane Road over Nj 18 carry?

About 969 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Dutch Lane Road over Nj 18?

The structure is 198 ft (60.4 m) long with a longest span of 99 ft (30.2 m) and a deck 42 ft wide.

Who owns Dutch Lane Road over Nj 18?

It is owned by the State Highway Agency.