US Bridges

Bordentown Avenue over Tennents Brook

Fair

Middlesex County, New Jersey · 0.21 Miles South of CR675 · Structure no. 123B076

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
11,209
2023 count
Owner
County
County Highway Agency

About this bridge

Bordentown Avenue over Tennents Brook is a prestressed concrete box beam or girders - multiple carrying Bordentown Avenue over Tennents Brook in Middlesex County, New Jersey. It was built in 1983, so it is 42 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 11,209 vehicles a day, roughly 4% of them trucks, projected to reach 13,678 by 2043. The structure is 67 ft (20.4 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesBordentown Avenue
CrossesTennents Brook
Location0.21 Miles South of CR675
RouteCounty Highway 615
CountyMiddlesex County
StateNew Jersey
Coordinates40.42795, -74.34418
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length67 ft (20.4 m)
Longest span63 ft (19.2 m)
Deck width47 ft (14.2 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,209 (2023)
Projected traffic13,678 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Bordentown Avenue over Tennents Brook built?

It was built in 1983, making it 42 years old in 2025.

What condition is Bordentown Avenue over Tennents 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 April 2023.

How much traffic does Bordentown Avenue over Tennents Brook carry?

About 11,209 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bordentown Avenue over Tennents Brook?

The structure is 67 ft (20.4 m) long with a longest span of 63 ft (19.2 m) and a deck 47 ft wide.

Who owns Bordentown Avenue over Tennents Brook?

It is owned by the County Highway Agency.