US Bridges

Dutch Neck Road over Bear Brook

Fair

Mercer County, New Jersey · 1.33 MI W of US 130 · Structure no. 1108621

Built
1965
60 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
3,342
2023 count
Owner
County
County Highway Agency

About this bridge

Dutch Neck Road over Bear Brook is a concrete slab carrying Dutch Neck Road over Bear Brook in Mercer County, New Jersey. It was built in 1965, so it is 60 years old, older 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 3,342 vehicles a day, roughly 4% of them trucks, projected to reach 3,997 by 2043. The structure is 24 ft (7.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDutch Neck Road
CrossesBear Brook
Location1.33 MI W of US 130
RouteCity Street 0
CountyMercer County
StateNew Jersey
Coordinates40.2681, -74.56525
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,342 (2023)
Projected traffic3,997 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$255,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dutch Neck Road over Bear Brook built?

It was built in 1965, making it 60 years old in 2025.

What condition is Dutch Neck Road over Bear 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 February 2023.

How much traffic does Dutch Neck Road over Bear Brook carry?

About 3,342 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Dutch Neck Road over Bear Brook?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 56 ft wide.

Who owns Dutch Neck Road over Bear Brook?

It is owned by the County Highway Agency.