US Bridges

RTE 9W over Riverside Stream

Fair

Ulster County, New York · 6.6 MI N JCT Rts 9W+I84 · Structure no. 000000001007300

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
36 ft
1 main span
Daily traffic
16,861
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 9W over Riverside Stream is a concrete arch - deck carrying RTE 9W over Riverside Stream in Ulster County, New York. It was built in 1930, 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 16,861 vehicles a day, roughly 9% of them trucks, projected to reach 16,940 by 2041. The structure is 36 ft (11 m) long and 52 ft wide. If it were closed, the detour would be 33.6 mi (54 km).

CarriesRTE 9W
CrossesRiverside Stream
Location6.6 MI N JCT Rts 9W+I84
RouteU.S. Route 9W
Coordinates41.6061, -73.97114
Functional classUrban Other Principal 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82 US tons
Inventory rating32.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span24 ft (7.3 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,861 (2021)
Projected traffic16,940 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed33.6 mi (54 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9W over Riverside Stream built?

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

What condition is RTE 9W over Riverside Stream 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 2023.

How much traffic does RTE 9W over Riverside Stream carry?

About 16,861 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is RTE 9W over Riverside Stream?

The structure is 36 ft (11 m) long with a longest span of 24 ft (7.3 m) and a deck 52 ft wide.

Who owns RTE 9W over Riverside Stream?

It is owned by the State Highway Agency.