US Bridges

US 9 Southbound over US 9 Ramp Gm

Fair

Middlesex County, New Jersey · 0.25 MI North of RT440 · Structure no. 1234170

Built
1972
53 years old, rebuilt 2020
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
1 main span
Daily traffic
47,988
2024 count
Owner
State
State Highway Agency

About this bridge

US 9 Southbound over US 9 Ramp Gm is a steel stringer/multi-beam or girder carrying US 9 Southbound over US 9 Ramp Gm in Middlesex County, New Jersey. It was built in 1972 and reconstructed in 2020, so it is 53 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 47,988 vehicles a day, roughly 5% of them trucks, projected to reach 58,554 by 2044. The structure is 107 ft (32.6 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 9 Southbound
CrossesUS 9 Ramp Gm
Location0.25 MI North of RT440
RouteU.S. Route 9
Coordinates40.52101, -74.30136
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length107 ft (32.6 m)
Longest span98 ft (29.9 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,988 (2024)
Projected traffic58,554 by 2044
Trucks5%
Lanes on structure3
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.8 million (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 9 Southbound over US 9 Ramp Gm built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2020.

What condition is US 9 Southbound over US 9 Ramp Gm 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 March 2024.

How much traffic does US 9 Southbound over US 9 Ramp Gm carry?

About 47,988 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 9 Southbound over US 9 Ramp Gm?

The structure is 107 ft (32.6 m) long with a longest span of 98 ft (29.9 m) and a deck 54 ft wide.

Who owns US 9 Southbound over US 9 Ramp Gm?

It is owned by the State Highway Agency.