US Bridges

I-80 WB over Abandoned Mt Hope Min RR

Fair

Morris County, New Jersey · 0.15 Mi. West of Rt 15 · Structure no. 1412179

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
3 main spans
Daily traffic
52,200
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 WB over Abandoned Mt Hope Min RR is a prestressed concrete stringer/multi-beam or girder carrying I-80 WB over Abandoned Mt Hope Min RR in Morris County, New Jersey. It was built in 1959, 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 52,200 vehicles a day, roughly 9% of them trucks, projected to reach 63,700 by 2044. The structure is 108 ft (32.9 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-80 WB
CrossesAbandoned Mt Hope Min RR
Location0.15 Mi. West of Rt 15
RouteInterstate 80
Coordinates40.90888, -74.57493
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length108 ft (32.9 m)
Longest span33 ft (10.1 m)
Deck width57 ft (17.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,200 (2024)
Projected traffic63,700 by 2044
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-80 WB over Abandoned Mt Hope Min RR built?

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

What condition is I-80 WB over Abandoned Mt Hope Min RR 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 2024.

How much traffic does I-80 WB over Abandoned Mt Hope Min RR carry?

About 52,200 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-80 WB over Abandoned Mt Hope Min RR?

The structure is 108 ft (32.9 m) long with a longest span of 33 ft (10.1 m) and a deck 57 ft wide.

Who owns I-80 WB over Abandoned Mt Hope Min RR?

It is owned by the State Highway Agency.