US Bridges

County Road 6 over Swamp River

Good

Dutchess County, New York · 1.5 MI S of Dover Plains · Structure no. 000000003343070

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
62 ft
1 main span
Daily traffic
727
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 6 over Swamp River is a steel continuous stringer/multi-beam or girder carrying County Road 6 over Swamp River in Dutchess County, New York. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 727 vehicles a day, roughly 5% of them trucks, projected to reach 1,018 by 2040. The structure is 62 ft (18.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 6
CrossesSwamp River
Location1.5 MI S of Dover Plains
RouteCounty Highway 0
CountyDutchess County
StateNew York
Coordinates41.71548, -73.57572
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating77.5 US tons
Inventory rating59.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (18.8 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic727 (2020)
Projected traffic1,018 by 2040
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 6 over Swamp River built?

It was built in 2024, making it 1 years old in 2025.

What condition is County Road 6 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 October 2024.

How much traffic does County Road 6 over Swamp River carry?

About 727 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County Road 6 over Swamp River?

The structure is 62 ft (18.8 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns County Road 6 over Swamp River?

It is owned by the County Highway Agency.