US Bridges

I80 EB over I-280 US 46EB & Ramp C

Fair

Morris County, New Jersey · RTE 280 Interchange · Structure no. 1414175

Built
1973
52 years old, rebuilt 1987
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
528 ft
5 main spans
Daily traffic
54,473
2024 count
Owner
State
State Highway Agency

About this bridge

I80 EB over I-280 US 46EB & Ramp C is a steel stringer/multi-beam or girder carrying I80 EB over I-280 US 46EB & Ramp C in Morris County, New Jersey. It was built in 1973 and reconstructed in 1987, so it is 52 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 54,473 vehicles a day, roughly 9% of them trucks, projected to reach 66,467 by 2044. The structure is 528 ft (160.9 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI80 EB
CrossesI-280 US 46EB & Ramp C
LocationRTE 280 Interchange
RouteInterstate 80
CountyMorris County
StateNew Jersey
Coordinates40.85914, -74.36736
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
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 spans5
Design loadHS 20 + Mod
Structure length528 ft (160.9 m)
Longest span122 ft (37.2 m)
Deck width57 ft (17.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic54,473 (2024)
Projected traffic66,467 by 2044
Trucks9%
Lanes on structure4
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 I80 EB over I-280 US 46EB & Ramp C built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1987.

What condition is I80 EB over I-280 US 46EB & Ramp C 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 July 2024.

How much traffic does I80 EB over I-280 US 46EB & Ramp C carry?

About 54,473 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I80 EB over I-280 US 46EB & Ramp C?

The structure is 528 ft (160.9 m) long with a longest span of 122 ft (37.2 m) and a deck 57 ft wide.

Who owns I80 EB over I-280 US 46EB & Ramp C?

It is owned by the State Highway Agency.