US Bridges

Hightstown Road over Bear Brook

Fair

Mercer County, New Jersey · 1.13 Mile S of Rt 526 · Structure no. 1107627

Built
2013
12 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
21,930
2023 count
Owner
County
County Highway Agency

About this bridge

Hightstown Road over Bear Brook is a prestressed concrete box beam or girders - multiple carrying Hightstown Road over Bear Brook in Mercer County, New Jersey. It was built in 2013, so it is 12 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 21,930 vehicles a day, roughly 4% of them trucks, projected to reach 26,760 by 2043. The structure is 38 ft (11.6 m) long and 70 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesHightstown Road
CrossesBear Brook
Location1.13 Mile S of Rt 526
RouteCounty Highway 571
CountyMercer County
StateNew Jersey
Coordinates40.29482, -74.59222
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating106.8 US tons
Inventory rating104.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width70 ft (21.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,930 (2023)
Projected traffic26,760 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 Hightstown Road over Bear Brook built?

It was built in 2013, making it 12 years old in 2025.

What condition is Hightstown 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 March 2023.

How much traffic does Hightstown Road over Bear Brook carry?

About 21,930 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Hightstown Road over Bear Brook?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 70 ft wide.

Who owns Hightstown Road over Bear Brook?

It is owned by the County Highway Agency.