US Bridges

Belmont Avenue over Bound Brook

Good

Middlesex County, New Jersey · 3.8 Miles S of Route 28 · Structure no. 122B311

Built
1965
60 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
2,986
2023 count
Owner
County
County Highway Agency

About this bridge

Belmont Avenue over Bound Brook is a concrete culvert carrying Belmont Avenue over Bound Brook in Middlesex County, New Jersey. It was built in 1965, so it is 60 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 2,986 vehicles a day, roughly 1% of them trucks, projected to reach 3,643 by 2043. The structure is 42 ft (12.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBelmont Avenue
CrossesBound Brook
Location3.8 Miles S of Route 28
RouteCity Street 0
Coordinates40.57291, -74.40651
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width49 ft (15 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,986 (2023)
Projected traffic3,643 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Belmont Avenue over Bound Brook built?

It was built in 1965, making it 60 years old in 2025.

What condition is Belmont 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 Belmont Avenue over Bound Brook carry?

About 2,986 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Belmont Avenue over Bound Brook?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 49 ft wide.

Who owns Belmont Avenue over Bound Brook?

It is owned by the County Highway Agency.