US Bridges

Dunkard Church RD over Third Neshanic Riv Trib

Fair

Hunterdon County, New Jersey · 0.25 MI W. of Rt 579 · Structure no. 1000121

Built
1951
74 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
389
2023 count
Owner
County
County Highway Agency

About this bridge

Dunkard Church RD over Third Neshanic Riv Trib is a steel stringer/multi-beam or girder carrying Dunkard Church RD over Third Neshanic Riv Trib in Hunterdon County, New Jersey. It was built in 1951, so it is 74 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 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 389 vehicles a day, roughly 3% of them trucks, projected to reach 474 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDunkard Church RD
CrossesThird Neshanic Riv Trib
Location0.25 MI W. of Rt 579
RouteCity Street 0
CountyHunterdon County
StateNew Jersey
Coordinates40.44646, -74.88055
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic389 (2023)
Projected traffic474 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$209,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dunkard Church RD over Third Neshanic Riv Trib built?

It was built in 1951, making it 74 years old in 2025.

What condition is Dunkard Church RD over Third Neshanic Riv Trib 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 Dunkard Church RD over Third Neshanic Riv Trib carry?

About 389 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Dunkard Church RD over Third Neshanic Riv Trib?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns Dunkard Church RD over Third Neshanic Riv Trib?

It is owned by the County Highway Agency.