US Bridges

Reservoir Road over Ashokan Reservoir

PoorPosted for load

Ulster County, New York · 2.3 MI NE JCT NY28A+NY213 · Structure no. 000000002224410

Built
1914
111 years old
Condition
Poor
inspected October 2024
Type
Arch - Deck
Concrete Continuous
Length
1,163 ft
15 main spans
Daily traffic
1,600
1978 count
Owner
Local
Other Local Agency

About this bridge

Reservoir Road over Ashokan Reservoir is a concrete continuous arch - deck carrying Reservoir Road over Ashokan Reservoir in Ulster County, New York. It was built in 1914, so it is 111 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,600 vehicles a day, roughly 10% of them trucks, projected to reach 2,240 by 1998. The structure is 1,163 ft (354.5 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesReservoir Road
CrossesAshokan Reservoir
Location2.3 MI NE JCT NY28A+NY213
Coordinates41.95194, -74.20838
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.1 US tons
Inventory rating20 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckNot applicable
Main spans15 (+5 approach)
Design loadUnknown
Structure length1,163 ft (354.5 m)
Longest span74 ft (22.5 m)
Deck width31 ft (9.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (1978)
Projected traffic2,240 by 1998
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$47.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Reservoir Road over Ashokan Reservoir built?

It was built in 1914, making it 111 years old in 2025.

What condition is Reservoir Road over Ashokan Reservoir in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Reservoir Road over Ashokan Reservoir carry?

About 1,600 vehicles per day (1978 count), of which roughly 10% are trucks.

How long is Reservoir Road over Ashokan Reservoir?

The structure is 1,163 ft (354.5 m) long with a longest span of 74 ft (22.5 m) and a deck 31 ft wide.

Who owns Reservoir Road over Ashokan Reservoir?

It is owned by the Other Local Agency.