US Bridges

Nj 17 over Masonicus Brook

Fair

Bergen County, New Jersey · 1.77 MI South of I-287 · Structure no. 0218158

Built
1933
92 years old, rebuilt 1995
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
83,405
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 17 over Masonicus Brook is a concrete slab carrying Nj 17 over Masonicus Brook in Bergen County, New Jersey. It was built in 1933 and reconstructed in 1995, so it is 92 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 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 83,405 vehicles a day, roughly 5% of them trucks, projected to reach 101,770 by 2044. The structure is 26 ft (7.9 m) long and 147 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 17
CrossesMasonicus Brook
Location1.77 MI South of I-287
RouteState Highway 17
Coordinates41.08483, -74.15148
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width147 ft (44.7 m)
Roadway width115 ft (35 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic83,405 (2024)
Projected traffic101,770 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 17 over Masonicus Brook built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1995.

What condition is Nj 17 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 April 2024.

How much traffic does Nj 17 over Masonicus Brook carry?

About 83,405 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Nj 17 over Masonicus Brook?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 147 ft wide.

Who owns Nj 17 over Masonicus Brook?

It is owned by the State Highway Agency.