US Bridges

Plesnt Run RD(629) over Pleasant Run

Fair

Somerset County, New Jersey · 0.69 MI N of CR 567 · Structure no. 18B0603

Built
1940
85 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
2,430
2023 count
Owner
County
County Highway Agency

About this bridge

Plesnt Run RD(629) over Pleasant Run is a steel stringer/multi-beam or girder carrying Plesnt Run RD(629) over Pleasant Run in Somerset County, New Jersey. It was built in 1940, so it is 85 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.

It carries about 2,430 vehicles a day, roughly 3% of them trucks, projected to reach 2,916 by 2043. The structure is 48 ft (14.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPlesnt Run RD(629)
CrossesPleasant Run
Location0.69 MI N of CR 567
RouteCounty Highway 629
Coordinates40.52907, -74.73948
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,430 (2023)
Projected traffic2,916 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Plesnt Run RD(629) over Pleasant Run built?

It was built in 1940, making it 85 years old in 2025.

What condition is Plesnt Run RD(629) over Pleasant Run 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 August 2023.

How much traffic does Plesnt Run RD(629) over Pleasant Run carry?

About 2,430 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Plesnt Run RD(629) over Pleasant Run?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns Plesnt Run RD(629) over Pleasant Run?

It is owned by the County Highway Agency.