US Bridges

Blue Mountain RD over ST Regis River

Fair

Franklin County, New York · 6.5 MI NW of Paul Smiths · Structure no. 000000003336810

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
33
2020 count
Owner
County
County Highway Agency

About this bridge

Blue Mountain RD over ST Regis River is a steel stringer/multi-beam or girder carrying Blue Mountain RD over ST Regis River in Franklin County, New York. It was built in 1968, so it is 57 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 6 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 33 vehicles a day, roughly 17% of them trucks, projected to reach 46 by 2040. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesBlue Mountain RD
CrossesST Regis River
Location6.5 MI NW of Paul Smiths
CountyFranklin County
StateNew York
Coordinates44.4531, -74.37566
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadOther
Structure length35 ft (10.7 m)
Longest span32 ft (9.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2020)
Projected traffic46 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$669,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Blue Mountain RD over ST Regis River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Blue Mountain RD over ST Regis 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 September 2024.

How much traffic does Blue Mountain RD over ST Regis River carry?

About 33 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Blue Mountain RD over ST Regis River?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.7 m) and a deck 26 ft wide.

Who owns Blue Mountain RD over ST Regis River?

It is owned by the County Highway Agency.