US Bridges

US Route 9 over Metuchen Avenue

Fair

Middlesex County, New Jersey · 0.52 Mi. N. of Nj Tpk JCT · Structure no. 1210151

Built
1937
88 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
83,059
2024 count
Owner
State
State Highway Agency

About this bridge

US Route 9 over Metuchen Avenue is a steel stringer/multi-beam or girder carrying US Route 9 over Metuchen Avenue in Middlesex County, New Jersey. It was built in 1937, so it is 88 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 83,059 vehicles a day, roughly 4% of them trucks, projected to reach 99,670 by 2044. The structure is 72 ft (21.9 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS Route 9
CrossesMetuchen Avenue
Location0.52 Mi. N. of Nj Tpk JCT
RouteU.S. Route 9
Coordinates40.55181, -74.29097
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span68 ft (20.7 m)
Deck width69 ft (21 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,059 (2024)
Projected traffic99,670 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$71,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US Route 9 over Metuchen Avenue built?

It was built in 1937, making it 88 years old in 2025.

What condition is US Route 9 over Metuchen Avenue 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 April 2024.

How much traffic does US Route 9 over Metuchen Avenue carry?

About 83,059 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US Route 9 over Metuchen Avenue?

The structure is 72 ft (21.9 m) long with a longest span of 68 ft (20.7 m) and a deck 69 ft wide.

Who owns US Route 9 over Metuchen Avenue?

It is owned by the State Highway Agency.