US Bridges

Willow Ave over Trib to D&r Canal

Fair

Somerset County, New Jersey · 0.3 MI E New Brunswick R · Structure no. 18K0606

Built
1979
46 years old
Condition
Fair
inspected September 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
27 ft
1 main span
Daily traffic
607
2023 count
Owner
County
County Highway Agency

About this bridge

Willow Ave over Trib to D&r Canal is a aluminum, wrought iron, or cast iron culvert carrying Willow Ave over Trib to D&r Canal in Somerset County, New Jersey. It was built in 1979, so it is 46 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 607 vehicles a day, roughly 1% of them trucks, projected to reach 728 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesWillow Ave
CrossesTrib to D&r Canal
Location0.3 MI E New Brunswick R
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.5176, -74.51198
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic607 (2023)
Projected traffic728 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Willow Ave over Trib to D&r Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Willow Ave over Trib to D&r 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 September 2023.

How much traffic does Willow Ave over Trib to D&r Canal carry?

About 607 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Willow Ave over Trib to D&r Canal?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m).

Who owns Willow Ave over Trib to D&r Canal?

It is owned by the County Highway Agency.