US Bridges

Penn-Hopewell Road over Stony Brook

Fair

Mercer County, New Jersey · 1.03 Mile North of Rt. 31 · Structure no. 1100038

Built
2007
18 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
4,275
2023 count
Owner
County
County Highway Agency

About this bridge

Penn-Hopewell Road over Stony Brook is a steel stringer/multi-beam or girder carrying Penn-Hopewell Road over Stony Brook in Mercer County, New Jersey. It was built in 2007, so it is 18 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 5 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 4,275 vehicles a day, roughly 3% of them trucks, projected to reach 5,215 by 2043. The structure is 116 ft (35.4 m) long and 57 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPenn-Hopewell Road
CrossesStony Brook
Location1.03 Mile North of Rt. 31
RouteCounty Highway 654
CountyMercer County
StateNew Jersey
Coordinates40.36509, -74.78703
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length116 ft (35.4 m)
Longest span109 ft (33.2 m)
Deck width57 ft (17.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,275 (2023)
Projected traffic5,215 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Penn-Hopewell Road over Stony Brook built?

It was built in 2007, making it 18 years old in 2025.

What condition is Penn-Hopewell Road 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 Penn-Hopewell Road over Stony Brook carry?

About 4,275 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Penn-Hopewell Road over Stony Brook?

The structure is 116 ft (35.4 m) long with a longest span of 109 ft (33.2 m) and a deck 57 ft wide.

Who owns Penn-Hopewell Road over Stony Brook?

It is owned by the County Highway Agency.