US Bridges

RTE 11 over Salmon River

Fair

Oswego County, New York · .3 MI N JCT US 11 & SH 13 · Structure no. 000000001008580

Built
1935
90 years old, rebuilt 1984
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel
Length
90 ft
1 main span
Daily traffic
9,137
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 11 over Salmon River is a steel girder and floorbeam system carrying RTE 11 over Salmon River in Oswego County, New York. It was built in 1935 and reconstructed in 1984, so it is 90 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 9,137 vehicles a day, roughly 3% of them trucks, projected to reach 9,193 by 2041. The structure is 90 ft (27.4 m) long and 54 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 11
CrossesSalmon River
Location.3 MI N JCT US 11 & SH 13
RouteU.S. Route 11
Coordinates43.5659, -76.12718
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length90 ft (27.4 m)
Longest span86 ft (26.2 m)
Deck width54 ft (16.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,137 (2020)
Projected traffic9,193 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 11 over Salmon River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1984.

What condition is RTE 11 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 June 2024.

How much traffic does RTE 11 over Salmon River carry?

About 9,137 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is RTE 11 over Salmon River?

The structure is 90 ft (27.4 m) long with a longest span of 86 ft (26.2 m) and a deck 54 ft wide.

Who owns RTE 11 over Salmon River?

It is owned by the State Highway Agency.