US Bridges

Arden Road over Ramapo River

Fair

Orange County, New York · 2.3 MI S of Harriman · Structure no. 000000003345030

Built
1930
95 years old, rebuilt 2004
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
170
2021 count
Owner
County
County Highway Agency

About this bridge

Arden Road over Ramapo River is a prestressed concrete box beam or girders - multiple carrying Arden Road over Ramapo River in Orange County, New York. It was built in 1930 and reconstructed in 2004, so it is 95 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 170 vehicles a day, roughly 11% of them trucks, projected to reach 238 by 2041. The structure is 46 ft (14 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesArden Road
CrossesRamapo River
Location2.3 MI S of Harriman
Coordinates41.27543, -74.15272
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.5 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2021)
Projected traffic238 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Arden Road over Ramapo River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2004.

What condition is Arden Road over Ramapo 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 2024.

How much traffic does Arden Road over Ramapo River carry?

About 170 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Arden Road over Ramapo River?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns Arden Road over Ramapo River?

It is owned by the County Highway Agency.