US Bridges

Elmwood Avenue over Heards Brook

Good

Middlesex County, New Jersey · 0.2 Mile North of Rt. 514 · Structure no. 121B047

Built
1978
47 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
47 ft
2 main spans
Daily traffic
780
2023 count
Owner
County
County Highway Agency

About this bridge

Elmwood Avenue over Heards Brook is a concrete continuous slab carrying Elmwood Avenue 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 780 vehicles a day, roughly 1% of them trucks, projected to reach 952 by 2043. The structure is 47 ft (14.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesElmwood Avenue
CrossesHeards Brook
Location0.2 Mile North of Rt. 514
RouteCity Street 0
Coordinates40.55537, -74.28592
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 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 width52 ft (15.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2023)
Projected traffic952 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 Elmwood Avenue over Heards Brook built?

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

What condition is Elmwood Avenue 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 Elmwood Avenue over Heards Brook carry?

About 780 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Elmwood Avenue over Heards Brook?

The structure is 47 ft (14.3 m) long with a longest span of 23 ft (7 m) and a deck 52 ft wide.

Who owns Elmwood Avenue over Heards Brook?

It is owned by the County Highway Agency.