US Bridges

River Road over Swamp River

Good

Dutchess County, New York · 0.9 MI SW of Hurd Corners · Structure no. 000000002343460

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Slab
Wood or Timber
Length
27 ft
1 main span
Daily traffic
606
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

River Road over Swamp River is a wood or timber slab carrying River Road over Swamp River in Dutchess County, New York. It was built in 1993, so it is 32 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 606 vehicles a day, roughly 13% of them trucks, projected to reach 848 by 2034. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiver Road
CrossesSwamp River
Location0.9 MI SW of Hurd Corners
Coordinates41.58414, -73.59776
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic606 (2014)
Projected traffic848 by 2034
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$627,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Swamp River built?

It was built in 1993, making it 32 years old in 2025.

What condition is River Road 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 May 2023.

How much traffic does River Road over Swamp River carry?

About 606 vehicles per day (2014 count), of which roughly 13% are trucks.

How long is River Road over Swamp River?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns River Road over Swamp River?

It is owned by the Town or Township Highway Agency.