US Bridges

Dover Furnace RD over Swamp River

Good

Dutchess County, New York · 2.7 MI NW of Wingdale · Structure no. 000000003343000

Built
2001
24 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
851
2019 count
Owner
County
County Highway Agency

About this bridge

Dover Furnace RD over Swamp River is a prestressed concrete box beam or girders - multiple carrying Dover Furnace RD over Swamp River in Dutchess County, New York. It was built in 2001, so it is 24 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 851 vehicles a day, roughly 4% of them trucks, projected to reach 1,191 by 2039. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDover Furnace RD
CrossesSwamp River
Location2.7 MI NW of Wingdale
RouteCounty Highway 0
Coordinates41.68364, -73.58109
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span49 ft (14.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic851 (2019)
Projected traffic1,191 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dover Furnace RD over Swamp River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Dover Furnace RD over Swamp River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Dover Furnace RD over Swamp River carry?

About 851 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Dover Furnace RD over Swamp River?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.8 m) and a deck 30 ft wide.

Who owns Dover Furnace RD over Swamp River?

It is owned by the County Highway Agency.