US Bridges

US 9 & Nj 35 over Washington Ave (cr 670)

Fair

Middlesex County, New Jersey · 1 Mile North of 9-35 Jct. · Structure no. 1208151

Built
1936
89 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
99,182
2023 count
Owner
State
State Highway Agency

About this bridge

US 9 & Nj 35 over Washington Ave (cr 670) is a steel stringer/multi-beam or girder carrying US 9 & Nj 35 over Washington Ave (cr 670) in Middlesex County, New Jersey. It was built in 1936, 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 5 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 99,182 vehicles a day, roughly 4% of them trucks, projected to reach 119,018 by 2043. The structure is 57 ft (17.4 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 9 & Nj 35
CrossesWashington Ave (cr 670)
Location1 Mile North of 9-35 Jct.
RouteU.S. Route 9
CountyMiddlesex County
StateNew Jersey
Coordinates40.47873, -74.29168
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span53 ft (16.2 m)
Deck width69 ft (21 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,182 (2023)
Projected traffic119,018 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5.3 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 9 & Nj 35 over Washington Ave (cr 670) built?

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

What condition is US 9 & Nj 35 over Washington Ave (cr 670) 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 June 2023.

How much traffic does US 9 & Nj 35 over Washington Ave (cr 670) carry?

About 99,182 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 9 & Nj 35 over Washington Ave (cr 670)?

The structure is 57 ft (17.4 m) long with a longest span of 53 ft (16.2 m) and a deck 69 ft wide.

Who owns US 9 & Nj 35 over Washington Ave (cr 670)?

It is owned by the State Highway Agency.