US Bridges

RTE 308 over Landsman Kill

Fair

Dutchess County, New York · 0.2 MI E JCT Rts 308+9G · Structure no. 000000001045580

Built
1933
92 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
3,746
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 308 over Landsman Kill is a concrete slab carrying RTE 308 over Landsman Kill in Dutchess County, New York. It was built in 1933, so it is 92 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 5 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 3,746 vehicles a day, roughly 5% of them trucks, projected to reach 3,907 by 2041. The structure is 25 ft (7.6 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 308
CrossesLandsman Kill
Location0.2 MI E JCT Rts 308+9G
RouteState Highway 308
Coordinates41.9387, -73.88264
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,746 (2018)
Projected traffic3,907 by 2041
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$797,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 308 over Landsman Kill built?

It was built in 1933, making it 92 years old in 2025.

What condition is RTE 308 over Landsman Kill 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 November 2023.

How much traffic does RTE 308 over Landsman Kill carry?

About 3,746 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is RTE 308 over Landsman Kill?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns RTE 308 over Landsman Kill?

It is owned by the State Highway Agency.