US Bridges

Johnson Road over Salmon River

Fair

Franklin County, New York · 1.2 MI NW of Chasm Falls · Structure no. 000000003336980

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
268
2020 count
Owner
County
County Highway Agency

About this bridge

Johnson Road over Salmon River is a steel stringer/multi-beam or girder carrying Johnson Road over Salmon River in Franklin County, New York. It was built in 1961, so it is 64 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 268 vehicles a day, roughly 17% of them trucks, projected to reach 375 by 2040. The structure is 58 ft (17.7 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesJohnson Road
CrossesSalmon River
Location1.2 MI NW of Chasm Falls
CountyFranklin County
StateNew York
Coordinates44.76784, -74.23243
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating68 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadOther
Structure length58 ft (17.7 m)
Longest span55 ft (16.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic268 (2020)
Projected traffic375 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$693,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnson Road over Salmon River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Johnson Road over Salmon 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 Johnson Road over Salmon River carry?

About 268 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Johnson Road over Salmon River?

The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.7 m) and a deck 24 ft wide.

Who owns Johnson Road over Salmon River?

It is owned by the County Highway Agency.