US Bridges

Prospect Avenue over Bound Brook

Good

Middlesex County, New Jersey · 1 Mi. East of St. Hwy. 28 · Structure no. 122B175

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
4,893
2023 count
Owner
County
County Highway Agency

About this bridge

Prospect Avenue over Bound Brook is a prestressed concrete slab carrying Prospect Avenue over Bound Brook in Middlesex County, New Jersey. It was built in 2003, so it is 22 years old, younger 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 4,893 vehicles a day, roughly 1% of them trucks, projected to reach 5,971 by 2043. The structure is 42 ft (12.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesProspect Avenue
CrossesBound Brook
Location1 Mi. East of St. Hwy. 28
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.57655, -74.46193
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span37 ft (11.3 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,893 (2023)
Projected traffic5,971 by 2043
Trucks1%
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 Prospect Avenue over Bound Brook built?

It was built in 2003, making it 22 years old in 2025.

What condition is Prospect Avenue over Bound Brook 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 April 2023.

How much traffic does Prospect Avenue over Bound Brook carry?

About 4,893 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Prospect Avenue over Bound Brook?

The structure is 42 ft (12.8 m) long with a longest span of 37 ft (11.3 m) and a deck 40 ft wide.

Who owns Prospect Avenue over Bound Brook?

It is owned by the County Highway Agency.