US Bridges

I-280 over Ramp a

Fair

Essex County, New Jersey · 0.2 MI E of 280-GSP JCT · Structure no. 0730172

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
99,648
2023 count
Owner
State
State Highway Agency

About this bridge

I-280 over Ramp a is a steel stringer/multi-beam or girder carrying I-280 over Ramp a in Essex County, New Jersey. It was built in 1970, so it is 55 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 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 99,648 vehicles a day, roughly 9% of them trucks, projected to reach 119,578 by 2043. The structure is 62 ft (18.9 m) long and 125 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-280
CrossesRamp a
Location0.2 MI E of 280-GSP JCT
RouteInterstate 280
CountyEssex County
StateNew Jersey
Coordinates40.75774, -74.20512
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span57 ft (17.4 m)
Deck width125 ft (38.1 m)
Roadway width115 ft (34.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,648 (2023)
Projected traffic119,578 by 2043
Trucks9%
Lanes on structure7
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$528,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-280 over Ramp a built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-280 over Ramp a 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 2023.

How much traffic does I-280 over Ramp a carry?

About 99,648 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-280 over Ramp a?

The structure is 62 ft (18.9 m) long with a longest span of 57 ft (17.4 m) and a deck 125 ft wide.

Who owns I-280 over Ramp a?

It is owned by the State Highway Agency.