US Bridges

Cushman RD over Salmon River

Good

Franklin County, New York · 1 MI NW of Westville · Structure no. 000000003337500

Built
1998
27 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
102 ft
2 main spans
Daily traffic
276
2017 count
Owner
County
County Highway Agency

About this bridge

Cushman RD over Salmon River is a prestressed concrete continuous box beam or girders - multiple carrying Cushman RD over Salmon River in Franklin County, New York. It was built in 1998, so it is 27 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 276 vehicles a day, roughly 17% of them trucks, projected to reach 386 by 2037. The structure is 102 ft (31.1 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCushman RD
CrossesSalmon River
Location1 MI NW of Westville
Coordinates44.96495, -74.4235
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating70 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length102 ft (31.1 m)
Longest span48 ft (14.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2017)
Projected traffic386 by 2037
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$559,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cushman RD over Salmon River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Cushman RD over Salmon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Cushman RD over Salmon River carry?

About 276 vehicles per day (2017 count), of which roughly 17% are trucks.

How long is Cushman RD over Salmon River?

The structure is 102 ft (31.1 m) long with a longest span of 48 ft (14.6 m) and a deck 16 ft wide.

Who owns Cushman RD over Salmon River?

It is owned by the County Highway Agency.