US Bridges

Wall Street over Assunpink Creek

Fair

Mercer County, New Jersey · 158FT N of E State ST · Structure no. 1100058

Built
2007
18 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
420
2023 count
Owner
County
County Highway Agency

About this bridge

Wall Street over Assunpink Creek is a prestressed concrete stringer/multi-beam or girder carrying Wall Street over Assunpink Creek 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 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 420 vehicles a day, roughly 3% of them trucks, projected to reach 510 by 2043. The structure is 85 ft (25.9 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWall Street
CrossesAssunpink Creek
Location158FT N of E State ST
RouteCity Street 0
Coordinates40.22192, -74.75191
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length85 ft (25.9 m)
Longest span84 ft (25.6 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2023)
Projected traffic510 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wall Street over Assunpink Creek built?

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

What condition is Wall Street over Assunpink Creek 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 Wall Street over Assunpink Creek carry?

About 420 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Wall Street over Assunpink Creek?

The structure is 85 ft (25.9 m) long with a longest span of 84 ft (25.6 m) and a deck 60 ft wide.

Who owns Wall Street over Assunpink Creek?

It is owned by the County Highway Agency.