US Bridges

US 1 & 9 over Nj Transit and Inman Ave

Fair

Middlesex County, New Jersey · 1 MI S of Rahway River · Structure no. 1205151

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
3 main spans
Daily traffic
106,283
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 & 9 over Nj Transit and Inman Ave is a steel continuous stringer/multi-beam or girder carrying US 1 & 9 over Nj Transit and Inman Ave in Middlesex County, New Jersey. It was built in 1985, so it is 40 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 106,283 vehicles a day, roughly 4% of them trucks, projected to reach 129,685 by 2044. The structure is 214 ft (65.2 m) long and 122 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 1 & 9
CrossesNj Transit and Inman Ave
Location1 MI S of Rahway River
RouteU.S. Route 1
Coordinates40.5876, -74.27821
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length214 ft (65.2 m)
Longest span73 ft (22.3 m)
Deck width122 ft (37.3 m)
Roadway width106 ft (32.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic106,283 (2024)
Projected traffic129,685 by 2044
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 & 9 over Nj Transit and Inman Ave built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 1 & 9 over Nj Transit and Inman Ave 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 2024.

How much traffic does US 1 & 9 over Nj Transit and Inman Ave carry?

About 106,283 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 1 & 9 over Nj Transit and Inman Ave?

The structure is 214 ft (65.2 m) long with a longest span of 73 ft (22.3 m) and a deck 122 ft wide.

Who owns US 1 & 9 over Nj Transit and Inman Ave?

It is owned by the State Highway Agency.