US Bridges

Western Highway N over Hackensack River

Good

Rockland County, New York · 2.2 MI SW of Nyack · Structure no. 000000003345790

Built
1966
59 years old, rebuilt 2022
Condition
Good
inspected August 2024
Type
Truss - Thru
Steel
Length
110 ft
1 main span
Daily traffic
4,239
2018 count
Owner
County
County Highway Agency

About this bridge

Western Highway N over Hackensack River is a steel truss - thru carrying Western Highway N over Hackensack River in Rockland County, New York. It was built in 1966 and reconstructed in 2022, so it is 59 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,239 vehicles a day, roughly 8% of them trucks, projected to reach 5,149 by 2041. The structure is 110 ft (33.4 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWestern Highway N
CrossesHackensack River
Location2.2 MI SW of Nyack
RouteCounty Highway 0
Coordinates41.08621, -73.96292
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length110 ft (33.4 m)
Longest span102 ft (31.1 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic4,239 (2018)
Projected traffic5,149 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$7.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Western Highway N over Hackensack River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2022.

What condition is Western Highway N over Hackensack River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Western Highway N over Hackensack River carry?

About 4,239 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Western Highway N over Hackensack River?

The structure is 110 ft (33.4 m) long with a longest span of 102 ft (31.1 m) and a deck 41 ft wide.

Who owns Western Highway N over Hackensack River?

It is owned by the County Highway Agency.