US Bridges

RTE 22 over Salmon River

Fair

Clinton County, New York · South of Plattsburgh Int · Structure no. 000000001017270

Built
1947
78 years old, rebuilt 1996
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
3,589
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 22 over Salmon River is a steel stringer/multi-beam or girder carrying RTE 22 over Salmon River in Clinton County, New York. It was built in 1947 and reconstructed in 1996, so it is 78 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 3,589 vehicles a day, roughly 7% of them trucks, projected to reach 4,359 by 2041. The structure is 162 ft (49.4 m) long and 34 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 22
CrossesSalmon River
LocationSouth of Plattsburgh Int
RouteState Highway 22
CountyClinton County
StateNew York
Coordinates44.63764, -73.48763
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span71 ft (21.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,589 (2018)
Projected traffic4,359 by 2041
Trucks7%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 22 over Salmon River built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1996.

What condition is RTE 22 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 August 2024.

How much traffic does RTE 22 over Salmon River carry?

About 3,589 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is RTE 22 over Salmon River?

The structure is 162 ft (49.4 m) long with a longest span of 71 ft (21.6 m) and a deck 34 ft wide.

Who owns RTE 22 over Salmon River?

It is owned by the State Highway Agency.