US Bridges

Prospect Street over Pequest River

Good

Warren County, New Jersey · 200 S. CR 620 Junc. · Structure no. 2100302

Built
1912
113 years old, rebuilt 2008
Condition
Good
inspected March 2023
Type
Arch - Deck
Concrete
Length
107 ft
1 main span
Daily traffic
5,418
2023 count
Owner
County
County Highway Agency

About this bridge

Prospect Street over Pequest River is a concrete arch - deck carrying Prospect Street over Pequest River in Warren County, New Jersey. It was built in 1912 and reconstructed in 2008, so it is 113 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,418 vehicles a day, roughly 1% of them trucks, projected to reach 6,611 by 2043. The structure is 107 ft (32.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesProspect Street
CrossesPequest River
Location200 S. CR 620 Junc.
RouteCity Street 0
Coordinates40.82933, -75.07579
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating34 US tons
Inventory rating20 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length107 ft (32.6 m)
Longest span107 ft (32.6 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,418 (2023)
Projected traffic6,611 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$181,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Prospect Street over Pequest River built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 2008.

What condition is Prospect Street over Pequest River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Prospect Street over Pequest River carry?

About 5,418 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Prospect Street over Pequest River?

The structure is 107 ft (32.6 m) long with a longest span of 107 ft (32.6 m) and a deck 31 ft wide.

Who owns Prospect Street over Pequest River?

It is owned by the County Highway Agency.