US Bridges

RTE 12F over RTE I81 RTE I81

Good

Jefferson County, New York · JCT of RTE 12F & RTE I-81 · Structure no. 000000001010170

Built
1993
32 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
2 main spans
Daily traffic
15,208
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 12F over RTE I81 RTE I81 is a steel continuous stringer/multi-beam or girder carrying RTE 12F over RTE I81 RTE I81 in Jefferson County, New York. It was built in 1993, so it is 32 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 15,208 vehicles a day, roughly 5% of them trucks, projected to reach 18,474 by 2041. The structure is 224 ft (68.3 m) long and 55 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRTE 12F
CrossesRTE I81 RTE I81
LocationJCT of RTE 12F & RTE I-81
RouteState Highway 12F
CountyJefferson County
StateNew York
Coordinates43.98882, -75.94427
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length224 ft (68.3 m)
Longest span118 ft (35.9 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,208 (2021)
Projected traffic18,474 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$3.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 12F over RTE I81 RTE I81 built?

It was built in 1993, making it 32 years old in 2025.

What condition is RTE 12F over RTE I81 RTE I81 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 October 2023.

How much traffic does RTE 12F over RTE I81 RTE I81 carry?

About 15,208 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE 12F over RTE I81 RTE I81?

The structure is 224 ft (68.3 m) long with a longest span of 118 ft (35.9 m) and a deck 55 ft wide.

Who owns RTE 12F over RTE I81 RTE I81?

It is owned by the State Highway Agency.