US Bridges

Blue Mountain RD over ST Regis River

Fair

Franklin County, New York · 8.2 MI S of Santa Clara · Structure no. 000000003336830

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
59 ft
1 main span
Daily traffic
7
2018 count
Owner
County
County Highway Agency

About this bridge

Blue Mountain RD over ST Regis River is a steel girder and floorbeam system carrying Blue Mountain RD over ST Regis River in Franklin County, New York. It was built in 1986, so it is 39 years old, younger 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 7 vehicles a day, roughly 17% of them trucks, projected to reach 10 by 2038. The structure is 59 ft (18 m) long and 20 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
Location8.2 MI S of Santa Clara
CountyFranklin County
StateNew York
Coordinates44.52288, -74.49217
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.
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span55 ft (16.7 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7 (2018)
Projected traffic10 by 2038
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$591,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Blue Mountain RD over ST Regis River built?

It was built in 1986, making it 39 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 7 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is Blue Mountain RD over ST Regis River?

The structure is 59 ft (18 m) long with a longest span of 55 ft (16.7 m) and a deck 20 ft wide.

Who owns Blue Mountain RD over ST Regis River?

It is owned by the County Highway Agency.