US Bridges

Tsp NB Ramps a & B over Sylvan Lake Outlet

Fair

Dutchess County, New York · 4MI N JCT Tsp & 84I · Structure no. 000000005523530

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
972
2018 count
Owner
State
State Highway Agency

About this bridge

Tsp NB Ramps a & B over Sylvan Lake Outlet is a concrete culvert carrying Tsp NB Ramps a & B over Sylvan Lake Outlet in Dutchess County, New York. It was built in 1989, so it is 36 years old, younger 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 972 vehicles a day, roughly 2% of them trucks, projected to reach 1,371 by 2041. The structure is 26 ft (7.9 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesTsp NB Ramps a & B
CrossesSylvan Lake Outlet
Location4MI N JCT Tsp & 84I
CountyDutchess County
StateNew York
Coordinates41.59421, -73.76274
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width57 ft (17.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic972 (2018)
Projected traffic1,371 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$732,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tsp NB Ramps a & B over Sylvan Lake Outlet built?

It was built in 1989, making it 36 years old in 2025.

What condition is Tsp NB Ramps a & B over Sylvan Lake Outlet 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 September 2024.

How much traffic does Tsp NB Ramps a & B over Sylvan Lake Outlet carry?

About 972 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Tsp NB Ramps a & B over Sylvan Lake Outlet?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 57 ft wide.

Who owns Tsp NB Ramps a & B over Sylvan Lake Outlet?

It is owned by the State Highway Agency.