US Bridges

Washington Avenue over New Market Pond&conrail

Fair

Middlesex County, New Jersey · 0.31 Miles South of CR601 · Structure no. 122B138

Built
1936
89 years old, rebuilt 1996
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
377 ft
7 main spans
Daily traffic
14,753
2023 count
Owner
County
County Highway Agency

About this bridge

Washington Avenue over New Market Pond&conrail is a steel stringer/multi-beam or girder carrying Washington Avenue over New Market Pond&conrail in Middlesex County, New Jersey. It was built in 1936 and reconstructed in 1996, so it is 89 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 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 14,753 vehicles a day, roughly 4% of them trucks, projected to reach 18,001 by 2043. The structure is 377 ft (114.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Avenue
CrossesNew Market Pond&conrail
Location0.31 Miles South of CR601
RouteCounty Highway 529
Coordinates40.57689, -74.45387
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length377 ft (114.9 m)
Longest span63 ft (19.2 m)
Deck width48 ft (14.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,753 (2023)
Projected traffic18,001 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Avenue over New Market Pond&conrail built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1996.

What condition is Washington Avenue over New Market Pond&conrail 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 May 2023.

How much traffic does Washington Avenue over New Market Pond&conrail carry?

About 14,753 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Washington Avenue over New Market Pond&conrail?

The structure is 377 ft (114.9 m) long with a longest span of 63 ft (19.2 m) and a deck 48 ft wide.

Who owns Washington Avenue over New Market Pond&conrail?

It is owned by the County Highway Agency.