US Bridges

RTE 812 over Beaver River

Good

Lewis County, New York · .5 Mile North of Croghan · Structure no. 000000003339950

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
2 main spans
Daily traffic
2,149
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 812 over Beaver River is a prestressed concrete stringer/multi-beam or girder carrying RTE 812 over Beaver River in Lewis County, New York. It was built in 2005, so it is 20 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 2,149 vehicles a day, roughly 15% of them trucks, projected to reach 2,169 by 2041. The structure is 203 ft (61.9 m) long and 43 ft wide.

CarriesRTE 812
CrossesBeaver River
Location.5 Mile North of Croghan
RouteState Highway 812
Coordinates43.9038, -75.38741
Functional classRural Principal Arterial - Other

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length203 ft (61.9 m)
Longest span101 ft (30.7 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,149 (2021)
Projected traffic2,169 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$2.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 812 over Beaver River built?

It was built in 2005, making it 20 years old in 2025.

What condition is RTE 812 over Beaver 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 November 2023.

How much traffic does RTE 812 over Beaver River carry?

About 2,149 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is RTE 812 over Beaver River?

The structure is 203 ft (61.9 m) long with a longest span of 101 ft (30.7 m) and a deck 43 ft wide.

Who owns RTE 812 over Beaver River?

It is owned by the State Highway Agency.