US Bridges

RTE 11 over Little Salmon River

Fair

Oswego County, New York · 1.1 MI N JCT US11 & SH69A · Structure no. 000000001008560

Built
1936
89 years old, rebuilt 2001
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
1,918
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 11 over Little Salmon River is a steel stringer/multi-beam or girder carrying RTE 11 over Little Salmon River in Oswego County, New York. It was built in 1936 and reconstructed in 2001, so it is 89 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 1,918 vehicles a day, roughly 13% of them trucks, projected to reach 2,681 by 2041. The structure is 59 ft (18 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 11
CrossesLittle Salmon River
Location1.1 MI N JCT US11 & SH69A
RouteU.S. Route 11
Coordinates43.40319, -76.15765
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length59 ft (18 m)
Longest span58 ft (17.6 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,918 (2020)
Projected traffic2,681 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 11 over Little Salmon River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2001.

What condition is RTE 11 over Little 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 2023.

How much traffic does RTE 11 over Little Salmon River carry?

About 1,918 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is RTE 11 over Little Salmon River?

The structure is 59 ft (18 m) long with a longest span of 58 ft (17.6 m) and a deck 48 ft wide.

Who owns RTE 11 over Little Salmon River?

It is owned by the State Highway Agency.