US Bridges

Salmon River Road over Salmon River

Good

Clinton County, New York · .4MI W South Plattsburgh · Structure no. 000000003335810

Built
2018
7 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
1,234
2021 count
Owner
County
County Highway Agency

About this bridge

Salmon River Road over Salmon River is a steel stringer/multi-beam or girder carrying Salmon River Road over Salmon River in Clinton County, New York. It was built in 2018, so it is 7 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 1,234 vehicles a day, roughly 3% of them trucks, projected to reach 1,728 by 2041. The structure is 82 ft (25 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSalmon River Road
CrossesSalmon River
Location.4MI W South Plattsburgh
RouteCounty Highway 0
Coordinates44.6401, -73.49496
Functional classUrban 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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.9 US tons
Inventory rating56.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,234 (2021)
Projected traffic1,728 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$931,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Salmon River Road over Salmon River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Salmon River Road 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 September 2024.

How much traffic does Salmon River Road over Salmon River carry?

About 1,234 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Salmon River Road over Salmon River?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns Salmon River Road over Salmon River?

It is owned by the County Highway Agency.