US Bridges

Carter RD (cr 569) over Stony Brook

Fair

Mercer County, New Jersey · 2.4 MI North of US 206 · Structure no. 1100043

Built
1989
36 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
175 ft
3 main spans
Daily traffic
13,193
2023 count
Owner
County
County Highway Agency

About this bridge

Carter RD (cr 569) over Stony Brook is a prestressed concrete continuous stringer/multi-beam or girder carrying Carter RD (cr 569) over Stony Brook in Mercer County, New Jersey. It was built in 1989, so it is 36 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 13,193 vehicles a day, roughly 3% of them trucks, projected to reach 15,779 by 2043. The structure is 175 ft (53.3 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCarter RD (cr 569)
CrossesStony Brook
Location2.4 MI North of US 206
RouteCounty Highway 569
CountyMercer County
StateNew Jersey
Coordinates40.34293, -74.72513
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length175 ft (53.3 m)
Longest span80 ft (24.4 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,193 (2023)
Projected traffic15,779 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Carter RD (cr 569) over Stony Brook built?

It was built in 1989, making it 36 years old in 2025.

What condition is Carter RD (cr 569) over Stony 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 Carter RD (cr 569) over Stony Brook carry?

About 13,193 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Carter RD (cr 569) over Stony Brook?

The structure is 175 ft (53.3 m) long with a longest span of 80 ft (24.4 m) and a deck 49 ft wide.

Who owns Carter RD (cr 569) over Stony Brook?

It is owned by the County Highway Agency.