US Bridges

RTE 22 over Swamp River

Fair

Dutchess County, New York · 4.4 MI N RTE 55 Wingdale · Structure no. 000000001016720

Built
1938
87 years old, rebuilt 1981
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
6,700
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 22 over Swamp River is a steel stringer/multi-beam or girder carrying RTE 22 over Swamp River in Dutchess County, New York. It was built in 1938 and reconstructed in 1981, so it is 87 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 6,700 vehicles a day, roughly 10% of them trucks, projected to reach 6,763 by 2041. The structure is 75 ft (22.9 m) long and 34 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

CarriesRTE 22
CrossesSwamp River
Location4.4 MI N RTE 55 Wingdale
RouteState Highway 22
Coordinates41.70068, -73.58257
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2021)
Projected traffic6,763 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 22 over Swamp River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1981.

What condition is RTE 22 over Swamp River 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 June 2023.

How much traffic does RTE 22 over Swamp River carry?

About 6,700 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE 22 over Swamp River?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns RTE 22 over Swamp River?

It is owned by the State Highway Agency.