US Bridges

Island RD (cr 85) over Masonicus Brook

Fair

Bergen County, New Jersey · 0.530 Ml N of NJ17 · Structure no. 020033H

Built
1977
48 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
21,112
2024 count
Owner
County
County Highway Agency

About this bridge

Island RD (cr 85) over Masonicus Brook is a prestressed concrete slab carrying Island RD (cr 85) over Masonicus Brook in Bergen County, New Jersey. It was built in 1977, so it is 48 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 6 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 21,112 vehicles a day, roughly 4% of them trucks, projected to reach 25,761 by 2044. The structure is 34 ft (10.4 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIsland RD (cr 85)
CrossesMasonicus Brook
Location0.530 Ml N of NJ17
RouteCounty Highway 85
Coordinates41.08802, -74.15042
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width64 ft (19.6 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,112 (2024)
Projected traffic25,761 by 2044
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Island RD (cr 85) over Masonicus Brook built?

It was built in 1977, making it 48 years old in 2025.

What condition is Island RD (cr 85) over Masonicus Brook 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 Island RD (cr 85) over Masonicus Brook carry?

About 21,112 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Island RD (cr 85) over Masonicus Brook?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 64 ft wide.

Who owns Island RD (cr 85) over Masonicus Brook?

It is owned by the County Highway Agency.