US Bridges

County Route 522 over Heathcote Brook

Fair

Middlesex County, New Jersey · 0.90 Mi. E. of Rt 1 · Structure no. 124B109

Built
1996
29 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
12,114
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 522 over Heathcote Brook is a concrete culvert carrying County Route 522 over Heathcote Brook in Middlesex County, New Jersey. It was built in 1996, so it is 29 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,114 vehicles a day, roughly 4% of them trucks, projected to reach 14,781 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Route 522
CrossesHeathcote Brook
Location0.90 Mi. E. of Rt 1
RouteCounty Highway 522
Coordinates40.3886, -74.55517
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,114 (2023)
Projected traffic14,781 by 2043
Trucks4%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 522 over Heathcote Brook built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Route 522 over Heathcote Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does County Route 522 over Heathcote Brook carry?

About 12,114 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 522 over Heathcote Brook?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns County Route 522 over Heathcote Brook?

It is owned by the County Highway Agency.