US Bridges

School Street over Heards Brook

Good

Middlesex County, New Jersey · 0.11 Mile South of CR 604 · Structure no. 121B046

Built
1978
47 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
47 ft
2 main spans
Daily traffic
849
2023 count
Owner
County
County Highway Agency

About this bridge

School Street over Heards Brook is a concrete continuous slab carrying School Street over Heards Brook in Middlesex County, New Jersey. It was built in 1978, so it is 47 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 849 vehicles a day, roughly 1% of them trucks, projected to reach 1,037 by 2043. The structure is 47 ft (14.3 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSchool Street
CrossesHeards Brook
Location0.11 Mile South of CR 604
RouteCity Street 0
Coordinates40.55617, -74.28055
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span23 ft (7 m)
Deck width60 ft (18.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic849 (2023)
Projected traffic1,037 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 School Street over Heards Brook built?

It was built in 1978, making it 47 years old in 2025.

What condition is School Street over Heards 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 March 2023.

How much traffic does School Street over Heards Brook carry?

About 849 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is School Street over Heards Brook?

The structure is 47 ft (14.3 m) long with a longest span of 23 ft (7 m) and a deck 60 ft wide.

Who owns School Street over Heards Brook?

It is owned by the County Highway Agency.