US Bridges

US 9 NB and Nj 35 over US9 NB & Main ST

Fair

Middlesex County, New Jersey · 0.09 MI South of CR 670 · Structure no. 1208150

Built
1936
89 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
2 main spans
Daily traffic
94,902
2023 count
Owner
State
State Highway Agency

About this bridge

US 9 NB and Nj 35 over US9 NB & Main ST is a steel stringer/multi-beam or girder carrying US 9 NB and Nj 35 over US9 NB & Main ST 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 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 94,902 vehicles a day, roughly 4% of them trucks, projected to reach 113,882 by 2043. The structure is 79 ft (24.1 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 NB and Nj 35
CrossesUS9 NB & Main ST
Location0.09 MI South of CR 670
RouteU.S. Route 9
CountyMiddlesex County
StateNew Jersey
Coordinates40.47782, -74.29054
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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span40 ft (12.2 m)
Deck width69 ft (20.9 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94,902 (2023)
Projected traffic113,882 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 9 NB and Nj 35 over US9 NB & Main ST built?

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

What condition is US 9 NB and Nj 35 over US9 NB & Main ST 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 July 2023.

How much traffic does US 9 NB and Nj 35 over US9 NB & Main ST carry?

About 94,902 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 9 NB and Nj 35 over US9 NB & Main ST?

The structure is 79 ft (24.1 m) long with a longest span of 40 ft (12.2 m) and a deck 69 ft wide.

Who owns US 9 NB and Nj 35 over US9 NB & Main ST?

It is owned by the State Highway Agency.