US Bridges

RTE I81 over RTE 12

Fair

Jefferson County, New York · JCT I-81 & Nys 12 · Structure no. 000000001009681

Built
1959
66 years old, rebuilt 2003
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
12,167
2009 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over RTE 12 is a steel stringer/multi-beam or girder carrying RTE I81 over RTE 12 in Jefferson County, New York. It was built in 1959 and reconstructed in 2003, so it is 66 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 12,167 vehicles a day, roughly 16% of them trucks. The structure is 149 ft (45.4 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I81
CrossesRTE 12
LocationJCT I-81 & Nys 12
RouteInterstate 81
CountyJefferson County
StateNew York
Coordinates44.00112, -75.91982
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span66 ft (20.1 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,167 (2009)
Projected traffic—
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$2.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over RTE 12 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2003.

What condition is RTE I81 over RTE 12 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 2023.

How much traffic does RTE I81 over RTE 12 carry?

About 12,167 vehicles per day (2009 count), of which roughly 16% are trucks.

How long is RTE I81 over RTE 12?

The structure is 149 ft (45.4 m) long with a longest span of 66 ft (20.1 m) and a deck 42 ft wide.

Who owns RTE I81 over RTE 12?

It is owned by the State Highway Agency.