US Bridges

Ashtons Farm Brdg over D&r Feeder Canal

FairPosted for load

Hunterdon County, New Jersey · 1 MI S of Lambertville · Structure no. 3001172

Built
1950
75 years old, rebuilt 2005
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
2 main spans
Daily traffic
108
2023 count
Owner
State
State Highway Agency

About this bridge

Ashtons Farm Brdg over D&r Feeder Canal is a wood or timber stringer/multi-beam or girder carrying Ashtons Farm Brdg over D&r Feeder Canal in Hunterdon County, New Jersey. It was built in 1950 and reconstructed in 2005, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 108 vehicles a day, roughly 1% of them trucks, projected to reach 178 by 2043. The structure is 31 ft (9.4 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAshtons Farm Brdg
CrossesD&r Feeder Canal
Location1 MI S of Lambertville
Coordinates40.34216, -74.94034
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23 US tons
Inventory rating16 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width15 ft (4.5 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2023)
Projected traffic178 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$625,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ashtons Farm Brdg over D&r Feeder Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2005.

What condition is Ashtons Farm Brdg over D&r Feeder 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 June 2023.

How much traffic does Ashtons Farm Brdg over D&r Feeder Canal carry?

About 108 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Ashtons Farm Brdg over D&r Feeder Canal?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 15 ft wide.

Who owns Ashtons Farm Brdg over D&r Feeder Canal?

It is owned by the State Highway Agency.