US Bridges

Perrine Road over Branch of Tennent Brook

Fair

Middlesex County, New Jersey · 0.5M West of Rt 9 · Structure no. 123B202

Built
1995
30 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
1,382
2023 count
Owner
County
County Highway Agency

About this bridge

Perrine Road over Branch of Tennent Brook is a concrete culvert carrying Perrine Road over Branch of Tennent Brook in Middlesex County, New Jersey. It was built in 1995, so it is 30 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 1,382 vehicles a day, roughly 1% of them trucks, projected to reach 1,687 by 2043. The structure is 42 ft (12.8 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPerrine Road
CrossesBranch of Tennent Brook
Location0.5M West of Rt 9
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.43841, -74.30957
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width90 ft (27.5 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,382 (2023)
Projected traffic1,687 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Perrine Road over Branch of Tennent Brook built?

It was built in 1995, making it 30 years old in 2025.

What condition is Perrine Road over Branch of Tennent 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 March 2023.

How much traffic does Perrine Road over Branch of Tennent Brook carry?

About 1,382 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Perrine Road over Branch of Tennent Brook?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 90 ft wide.

Who owns Perrine Road over Branch of Tennent Brook?

It is owned by the County Highway Agency.