US Bridges

RTE 12 over Elm Flats Creek

Fair

Jefferson County, New York · 5.4 Mi.S.Clayton on RT.12 · Structure no. 000000001009740

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
2,842
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 12 over Elm Flats Creek is a concrete frame carrying RTE 12 over Elm Flats 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 2,842 vehicles a day, roughly 8% of them trucks, projected to reach 2,964 by 2041. The structure is 24 ft (7.3 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRTE 12
CrossesElm Flats Creek
Location5.4 Mi.S.Clayton on RT.12
RouteState Highway 12
Coordinates44.14935, -76.07612
Functional classRural Major 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 rating86 US tons
Inventory rating51 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,842 (2020)
Projected traffic2,964 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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$730,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12 over Elm Flats Creek built?

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

What condition is RTE 12 over Elm Flats 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 September 2024.

How much traffic does RTE 12 over Elm Flats Creek carry?

About 2,842 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 12 over Elm Flats Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 43 ft wide.

Who owns RTE 12 over Elm Flats Creek?

It is owned by the State Highway Agency.