US Bridges

RTE 12E over Three Mile Creek

Fair

Jefferson County, New York · 8.2 MI NW Rts 12E + 180 · Structure no. 000000001010130

Built
1927
98 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
2,637
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 12E over Three Mile Creek is a concrete slab carrying RTE 12E over Three Mile Creek in Jefferson County, New York. It was built in 1927, so it is 98 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.

It carries about 2,637 vehicles a day, roughly 10% of them trucks, projected to reach 2,653 by 2041. The structure is 23 ft (7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRTE 12E
CrossesThree Mile Creek
Location8.2 MI NW Rts 12E + 180
RouteState Highway 12E
Coordinates44.08124, -76.19509
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span20 ft (6 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,637 (2020)
Projected traffic2,653 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$310,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 12E over Three Mile Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is RTE 12E over Three Mile 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 October 2024.

How much traffic does RTE 12E over Three Mile Creek carry?

About 2,637 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is RTE 12E over Three Mile Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6 m) and a deck 33 ft wide.

Who owns RTE 12E over Three Mile Creek?

It is owned by the State Highway Agency.