US Bridges

Memorial Drive over Assunpink Creek

Fair

Mercer County, New Jersey · 700 E / 29&ASSUNPINK JCT · Structure no. 1131158

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
54 ft
1 main span
Daily traffic
1,330
2024 count
Owner
State
State Highway Agency

About this bridge

Memorial Drive over Assunpink Creek is a concrete frame carrying Memorial Drive over Assunpink Creek in Mercer County, New Jersey. It was built in 1940, so it is 85 years old, older 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 1,330 vehicles a day, roughly 1% of them trucks, projected to reach 1,685 by 2044. The structure is 54 ft (16.5 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMemorial Drive
CrossesAssunpink Creek
Location700 E / 29&ASSUNPINK JCT
RouteCity Street 29
CountyMercer County
StateNew Jersey
Coordinates40.21729, -74.76724
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span50 ft (15.2 m)
Deck width54 ft (16.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,330 (2024)
Projected traffic1,685 by 2044
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Memorial Drive over Assunpink Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Memorial Drive 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 April 2024.

How much traffic does Memorial Drive over Assunpink Creek carry?

About 1,330 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Memorial Drive over Assunpink Creek?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 54 ft wide.

Who owns Memorial Drive over Assunpink Creek?

It is owned by the State Highway Agency.