US Bridges

New Center Road over Dukes Brook

Fair

Somerset County, New Jersey · 0.3 MI N. of Beekman Lane · Structure no. 18E0605

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Slab
Wood or Timber
Length
29 ft
1 main span
Daily traffic
3,421
2023 count
Owner
County
County Highway Agency

About this bridge

New Center Road over Dukes Brook is a wood or timber slab carrying New Center Road over Dukes Brook in Somerset County, New Jersey. It was built in 1981, so it is 44 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 3,421 vehicles a day, roughly 4% of them trucks, projected to reach 4,105 by 2043. The structure is 29 ft (8.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNew Center Road
CrossesDukes Brook
Location0.3 MI N. of Beekman Lane
RouteCounty Highway 627
CountySomerset County
StateNew Jersey
Coordinates40.52957, -74.6645
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,421 (2023)
Projected traffic4,105 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was New Center Road over Dukes Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is New Center Road over Dukes Brook 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 October 2023.

How much traffic does New Center Road over Dukes Brook carry?

About 3,421 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is New Center Road over Dukes Brook?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns New Center Road over Dukes Brook?

It is owned by the County Highway Agency.