US Bridges

Viola Road over Mahwah River

Fair

Rockland County, New York · 1.5 MI NW I-87 Int 14B · Structure no. 000000003346110

Built
1965
60 years old, rebuilt 1996
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
3,444
2020 count
Owner
County
County Highway Agency

About this bridge

Viola Road over Mahwah River is a prestressed concrete box beam or girders - multiple carrying Viola Road over Mahwah River in Rockland County, New York. It was built in 1965 and reconstructed in 1996, so it is 60 years old, older than the New York average of 53 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 3,444 vehicles a day, roughly 7% of them trucks, projected to reach 4,183 by 2041. The structure is 76 ft (23.2 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesViola Road
CrossesMahwah River
Location1.5 MI NW I-87 Int 14B
RouteCounty Highway 0
Coordinates41.13816, -74.11861
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating61.9 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length76 ft (23.2 m)
Longest span72 ft (21.9 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,444 (2020)
Projected traffic4,183 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Viola Road over Mahwah River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1996.

What condition is Viola Road over Mahwah River 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 August 2023.

How much traffic does Viola Road over Mahwah River carry?

About 3,444 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Viola Road over Mahwah River?

The structure is 76 ft (23.2 m) long with a longest span of 72 ft (21.9 m) and a deck 40 ft wide.

Who owns Viola Road over Mahwah River?

It is owned by the County Highway Agency.