US Bridges

I-278 WB over US 1&9 Northbound

Fair

Union County, New Jersey · 1.41 MI West of Njtpk JCT · Structure no. 2015153

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
119 ft
1 main span
Daily traffic
16,835
2023 count
Owner
State
State Highway Agency

About this bridge

I-278 WB over US 1&9 Northbound is a steel stringer/multi-beam or girder carrying I-278 WB over US 1&9 Northbound in Union County, New Jersey. It was built in 1967, so it is 58 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 16,835 vehicles a day, roughly 9% of them trucks, projected to reach 20,540 by 2043. The structure is 119 ft (36.3 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-278 WB
CrossesUS 1&9 Northbound
Location1.41 MI West of Njtpk JCT
RouteInterstate 278
CountyUnion County
StateNew Jersey
Coordinates40.64138, -74.22975
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length119 ft (36.3 m)
Longest span108 ft (32.9 m)
Deck width55 ft (16.8 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,835 (2023)
Projected traffic20,540 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-278 WB over US 1&9 Northbound built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-278 WB over US 1&9 Northbound 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 October 2023.

How much traffic does I-278 WB over US 1&9 Northbound carry?

About 16,835 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-278 WB over US 1&9 Northbound?

The structure is 119 ft (36.3 m) long with a longest span of 108 ft (32.9 m) and a deck 55 ft wide.

Who owns I-278 WB over US 1&9 Northbound?

It is owned by the State Highway Agency.