US Bridges

I-278 over Amboy Avenue

Good

Union County, New Jersey · Elizabeth Nj · Structure no. 382305D

Built
2018
7 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,892 ft
11 main spans
Daily traffic
36,917
2022 count
Owner
Toll Authority
Local Toll Authority

About this bridge

I-278 over Amboy Avenue is a prestressed concrete continuous stringer/multi-beam or girder carrying I-278 over Amboy Avenue in Union County, New Jersey. It was built in 2018, so it is 7 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 good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,917 vehicles a day, roughly 10% of them trucks, projected to reach 45,046 by 2042. The structure is 1,892 ft (576.7 m) long and 68 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesI-278
CrossesAmboy Avenue
LocationElizabeth Nj
RouteInterstate 278
CountyUnion County
StateNew Jersey
Coordinates40.63712, -74.2002
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans11
Design loadHL 93
Structure length1,892 ft (576.7 m)
Longest span177 ft (53.9 m)
Deck width68 ft (20.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,917 (2022)
Projected traffic45,046 by 2042
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 km)
TollToll bridge
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-278 over Amboy Avenue built?

It was built in 2018, making it 7 years old in 2025.

What condition is I-278 over Amboy Avenue in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does I-278 over Amboy Avenue carry?

About 36,917 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is I-278 over Amboy Avenue?

The structure is 1,892 ft (576.7 m) long with a longest span of 177 ft (53.9 m) and a deck 68 ft wide.

Who owns I-278 over Amboy Avenue?

It is owned by the Local Toll Authority.