US Bridges

Aaron Road over Trib. of Six Mile Run

Good

Middlesex County, New Jersey · 0.43 Miles North of US 1 · Structure no. 124B533

Built
1970
55 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
3 main spans
Daily traffic
1,801
2023 count
Owner
County
County Highway Agency

About this bridge

Aaron Road over Trib. of Six Mile Run is a concrete culvert carrying Aaron Road over Trib. of Six Mile Run in Middlesex County, New Jersey. It was built in 1970, so it is 55 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 1,801 vehicles a day, roughly 1% of them trucks, projected to reach 2,198 by 2043. The structure is 21 ft (6.4 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAaron Road
CrossesTrib. of Six Mile Run
Location0.43 Miles North of US 1
RouteCity Street 0
Coordinates40.44224, -74.5142
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span6 ft (1.8 m)
Deck width54 ft (16.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,801 (2023)
Projected traffic2,198 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 Aaron Road over Trib. of Six Mile Run built?

It was built in 1970, making it 55 years old in 2025.

What condition is Aaron Road over Trib. of Six Mile Run 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 May 2023.

How much traffic does Aaron Road over Trib. of Six Mile Run carry?

About 1,801 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Aaron Road over Trib. of Six Mile Run?

The structure is 21 ft (6.4 m) long with a longest span of 6 ft (1.8 m) and a deck 54 ft wide.

Who owns Aaron Road over Trib. of Six Mile Run?

It is owned by the County Highway Agency.