US Bridges

RTE 308 over Rhinebeck Kill

Poor

Dutchess County, New York · 0.5 MI W JCT Rts 308+9 · Structure no. 000000001045570

Built
1919
106 years old
Condition
Poor
inspected December 2024
Type
Arch - Deck
Masonry
Length
41 ft
2 main spans
Daily traffic
2,787
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 308 over Rhinebeck Kill is a masonry arch - deck carrying RTE 308 over Rhinebeck Kill in Dutchess County, New York. It was built in 1919, so it is 106 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.

It carries about 2,787 vehicles a day, roughly 4% of them trucks, projected to reach 2,907 by 2041. The structure is 41 ft (12.5 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 308
CrossesRhinebeck Kill
Location0.5 MI W JCT Rts 308+9
RouteState Highway 308
Coordinates41.92805, -73.92226
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating16.2 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span12 ft (3.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,787 (2016)
Projected traffic2,907 by 2041
Trucks4%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$796,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 308 over Rhinebeck Kill built?

It was built in 1919, making it 106 years old in 2025.

What condition is RTE 308 over Rhinebeck Kill 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 December 2024.

How much traffic does RTE 308 over Rhinebeck Kill carry?

About 2,787 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is RTE 308 over Rhinebeck Kill?

The structure is 41 ft (12.5 m) long with a longest span of 12 ft (3.6 m) and a deck 32 ft wide.

Who owns RTE 308 over Rhinebeck Kill?

It is owned by the State Highway Agency.