US Bridges

River Road over Hudson River Backwater

FairPosted for load

Rensselaer County, New York · 2.0MI W of Melrose · Structure no. 000000003303460

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
946
2021 count
Owner
County
County Highway Agency

About this bridge

River Road over Hudson River Backwater is a steel stringer/multi-beam or girder carrying River Road over Hudson River Backwater in Rensselaer County, New York. It was built in 1949, so it is 76 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. Its operating status is: posted for load restriction.

It carries about 946 vehicles a day, roughly 7% of them trucks, projected to reach 1,324 by 2041. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesRiver Road
CrossesHudson River Backwater
Location2.0MI W of Melrose
RouteCounty Highway 0
Coordinates42.83399, -73.66399
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic946 (2021)
Projected traffic1,324 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$819,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Hudson River Backwater built?

It was built in 1949, making it 76 years old in 2025.

What condition is River Road over Hudson River Backwater 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 2024.

How much traffic does River Road over Hudson River Backwater carry?

About 946 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is River Road over Hudson River Backwater?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns River Road over Hudson River Backwater?

It is owned by the County Highway Agency.