US Bridges

RTE 812 over Crystal Creek

Fair

Lewis County, New York · CR812 Btw Snell & Artz RD · Structure no. 000000001018970

Built
1997
28 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
3,834
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 812 over Crystal Creek is a prestressed concrete box beam or girders - single or spread carrying RTE 812 over Crystal Creek in Lewis County, New York. It was built in 1997, so it is 28 years old, younger 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.

It carries about 3,834 vehicles a day, roughly 10% of them trucks, projected to reach 3,870 by 2041. The structure is 46 ft (14 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 812
CrossesCrystal Creek
LocationCR812 Btw Snell & Artz RD
RouteState Highway 812
Coordinates43.83624, -75.44007
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,834 (2018)
Projected traffic3,870 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$809,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 812 over Crystal Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is RTE 812 over Crystal Creek 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 December 2023.

How much traffic does RTE 812 over Crystal Creek carry?

About 3,834 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is RTE 812 over Crystal Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns RTE 812 over Crystal Creek?

It is owned by the State Highway Agency.