US Bridges

Minnisink RD over I-80

Fair

Passaic County, New Jersey · 1.0 MI East of RTE 23 · Structure no. 1609157

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
256 ft
2 main spans
Daily traffic
12,830
2024 count
Owner
State
State Highway Agency

About this bridge

Minnisink RD over I-80 is a steel stringer/multi-beam or girder carrying Minnisink RD over I-80 in Passaic 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 12,830 vehicles a day, roughly 4% of them trucks, projected to reach 15,655 by 2044. The structure is 256 ft (78 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMinnisink RD
CrossesI-80
Location1.0 MI East of RTE 23
RouteCounty Highway 642
Coordinates40.89897, -74.23173
Functional classUrban Minor Arterial

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 inspectionSeptember 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 alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length256 ft (78 m)
Longest span124 ft (37.8 m)
Deck width44 ft (13.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,830 (2024)
Projected traffic15,655 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Minnisink RD over I-80 built?

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

What condition is Minnisink RD over I-80 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 September 2024.

How much traffic does Minnisink RD over I-80 carry?

About 12,830 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Minnisink RD over I-80?

The structure is 256 ft (78 m) long with a longest span of 124 ft (37.8 m) and a deck 44 ft wide.

Who owns Minnisink RD over I-80?

It is owned by the State Highway Agency.