US Bridges

I-80 Ramp D over Nj 15 NB

Fair

Morris County, New Jersey · .15 M E of Mt Hope Min RR · Structure no. 1413152

Built
1959
66 years old, rebuilt 1986
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
6,714
2023 count
Owner
State
State Highway Agency

About this bridge

I-80 Ramp D over Nj 15 NB is a prestressed concrete stringer/multi-beam or girder carrying I-80 Ramp D over Nj 15 NB in Morris County, New Jersey. It was built in 1959 and reconstructed in 1986, so it is 66 years old, older 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 6,714 vehicles a day, roughly 9% of them trucks, projected to reach 8,193 by 2043. The structure is 101 ft (30.8 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-80 Ramp D
CrossesNj 15 NB
Location.15 M E of Mt Hope Min RR
RouteInterstate 80
CountyMorris County
StateNew Jersey
Coordinates40.91049, -74.57283
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length101 ft (30.8 m)
Longest span87 ft (26.5 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,714 (2023)
Projected traffic8,193 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 I-80 Ramp D over Nj 15 NB built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1986.

What condition is I-80 Ramp D over Nj 15 NB 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 April 2023.

How much traffic does I-80 Ramp D over Nj 15 NB carry?

About 6,714 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-80 Ramp D over Nj 15 NB?

The structure is 101 ft (30.8 m) long with a longest span of 87 ft (26.5 m) and a deck 41 ft wide.

Who owns I-80 Ramp D over Nj 15 NB?

It is owned by the State Highway Agency.