US Bridges

RTE 12 over Sandy Creek

Fair

Jefferson County, New York · 4.0 Mi.E.Jct.Rtes 3+12 · Structure no. 000000001009640

Built
1984
41 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
3,433
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 12 over Sandy Creek is a prestressed concrete box beam or girders - multiple carrying RTE 12 over Sandy Creek in Jefferson County, New York. It was built in 1984, so it is 41 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 3,433 vehicles a day, roughly 11% of them trucks, projected to reach 3,465 by 2041. The structure is 38 ft (11.6 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 12
CrossesSandy Creek
Location4.0 Mi.E.Jct.Rtes 3+12
RouteState Highway 12
Coordinates43.91517, -75.76096
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span34 ft (10.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,433 (2021)
Projected traffic3,465 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$684,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12 over Sandy Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is RTE 12 over Sandy 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 April 2023.

How much traffic does RTE 12 over Sandy Creek carry?

About 3,433 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is RTE 12 over Sandy Creek?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.3 m) and a deck 43 ft wide.

Who owns RTE 12 over Sandy Creek?

It is owned by the State Highway Agency.