US Bridges

Pierce Street over Trib. of Raritan River

Fair

Somerset County, New Jersey · 0.2 MI W. of Davidson Ave · Structure no. 18H0610

Built
2001
24 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
48 ft
1 main span
Daily traffic
2,361
2023 count
Owner
County
County Highway Agency

About this bridge

Pierce Street over Trib. of Raritan River is a concrete arch - deck carrying Pierce Street over Trib. of Raritan River in Somerset County, New Jersey. It was built in 2001, so it is 24 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 2,361 vehicles a day, roughly 1% of them trucks, projected to reach 2,833 by 2043. The structure is 48 ft (14.6 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPierce Street
CrossesTrib. of Raritan River
Location0.2 MI W. of Davidson Ave
RouteCity Street 0
Coordinates40.53476, -74.53139
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span48 ft (14.6 m)
Deck width62 ft (19 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,361 (2023)
Projected traffic2,833 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Pierce Street over Trib. of Raritan River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Pierce Street over Trib. of Raritan River 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 Pierce Street over Trib. of Raritan River carry?

About 2,361 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Pierce Street over Trib. of Raritan River?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.6 m) and a deck 62 ft wide.

Who owns Pierce Street over Trib. of Raritan River?

It is owned by the County Highway Agency.