US Bridges

Thatcherville RD over N B Saranac River

FairPosted for load

Franklin County, New York · 1 MI S of Loon Lake · Structure no. 000000003337120

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
28
2021 count
Owner
County
County Highway Agency

About this bridge

Thatcherville RD over N B Saranac River is a steel stringer/multi-beam or girder carrying Thatcherville RD over N B Saranac River in Franklin County, New York. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 28 vehicles a day, roughly 17% of them trucks, projected to reach 39 by 2041. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesThatcherville RD
CrossesN B Saranac River
Location1 MI S of Loon Lake
Coordinates44.5394, -74.05131
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating24 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span36 ft (10.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2021)
Projected traffic39 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$636,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thatcherville RD over N B Saranac River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Thatcherville RD over N B Saranac River 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 August 2024.

How much traffic does Thatcherville RD over N B Saranac River carry?

About 28 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is Thatcherville RD over N B Saranac River?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (10.9 m) and a deck 26 ft wide.

Who owns Thatcherville RD over N B Saranac River?

It is owned by the County Highway Agency.