US Bridges

Nj 15 NB over Aband Mt Hope Mineral RR

Poor

Morris County, New Jersey · 0.24 Mi. No. of I-80 · Structure no. 1403152

Built
1958
67 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
25,996
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 15 NB over Aband Mt Hope Mineral RR is a prestressed concrete stringer/multi-beam or girder carrying Nj 15 NB over Aband Mt Hope Mineral RR in Morris County, New Jersey. It was built in 1958, so it is 67 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25,996 vehicles a day, roughly 4% of them trucks, projected to reach 31,720 by 2044. The structure is 106 ft (32.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 15 NB
CrossesAband Mt Hope Mineral RR
Location0.24 Mi. No. of I-80
RouteState Highway 15
Coordinates40.91184, -74.57462
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span100 ft (30.5 m)
Deck width46 ft (14.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,996 (2024)
Projected traffic31,720 by 2044
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 15 NB over Aband Mt Hope Mineral RR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Nj 15 NB over Aband Mt Hope Mineral RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Nj 15 NB over Aband Mt Hope Mineral RR carry?

About 25,996 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 15 NB over Aband Mt Hope Mineral RR?

The structure is 106 ft (32.3 m) long with a longest span of 100 ft (30.5 m) and a deck 46 ft wide.

Who owns Nj 15 NB over Aband Mt Hope Mineral RR?

It is owned by the State Highway Agency.