US Bridges

County Route 620 over Pequest River

Fair

Warren County, New Jersey · 1.6 MI NOFCR519 Junction · Structure no. 2100301

Built
1907
118 years old, rebuilt 2000
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
76 ft
2 main spans
Daily traffic
4,855
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 620 over Pequest River is a prestressed concrete slab carrying County Route 620 over Pequest River in Warren County, New Jersey. It was built in 1907 and reconstructed in 2000, so it is 118 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 4,855 vehicles a day, roughly 3% of them trucks, projected to reach 5,924 by 2043. The structure is 76 ft (23.2 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty Route 620
CrossesPequest River
Location1.6 MI NOFCR519 Junction
RouteCounty Highway 620
CountyWarren County
StateNew Jersey
Coordinates40.82925, -75.0785
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span37 ft (11.3 m)
Deck width56 ft (17 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,855 (2023)
Projected traffic5,924 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 County Route 620 over Pequest River built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 2000.

What condition is County Route 620 over Pequest River 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 April 2023.

How much traffic does County Route 620 over Pequest River carry?

About 4,855 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Route 620 over Pequest River?

The structure is 76 ft (23.2 m) long with a longest span of 37 ft (11.3 m) and a deck 56 ft wide.

Who owns County Route 620 over Pequest River?

It is owned by the County Highway Agency.