US Bridges

Harrison Street over Delaware & Raritan Canal

Fair

Mercer County, New Jersey · 0.48 MI W of US Rt 1 · Structure no. 3000157

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
11,324
2024 count
Owner
State
Other State Agency

About this bridge

Harrison Street over Delaware & Raritan Canal is a prestressed concrete slab carrying Harrison Street over Delaware & Raritan Canal in Mercer County, New Jersey. It was built in 1989, so it is 36 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 11,324 vehicles a day, roughly 4% of them trucks, projected to reach 13,589 by 2044. The structure is 56 ft (17.1 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHarrison Street
CrossesDelaware & Raritan Canal
Location0.48 MI W of US Rt 1
RouteCounty Highway 629
CountyMercer County
StateNew Jersey
Coordinates40.34215, -74.63729
Functional classUrban Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating63.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span52 ft (15.8 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,324 (2024)
Projected traffic13,589 by 2044
Trucks4%
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

OwnerOther State Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$53,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrison Street over Delaware & Raritan Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is Harrison Street over Delaware & Raritan Canal 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 January 2024.

How much traffic does Harrison Street over Delaware & Raritan Canal carry?

About 11,324 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Harrison Street over Delaware & Raritan Canal?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.8 m) and a deck 44 ft wide.

Who owns Harrison Street over Delaware & Raritan Canal?

It is owned by the Other State Agency and maintained by the State Highway Agency.