US Bridges

RTE 11 over Trout Brook

Good

St. Lawrence County, New York · 4.0 MI NE of Stockholm Ce · Structure no. 000000003341180

Built
1952
73 years old, rebuilt 1990
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
2,342
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 11 over Trout Brook is a prestressed concrete box beam or girders - multiple carrying RTE 11 over Trout Brook in St. Lawrence County, New York. It was built in 1952 and reconstructed in 1990, so it is 73 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,342 vehicles a day, roughly 17% of them trucks, projected to reach 2,364 by 2041. The structure is 41 ft (12.5 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRTE 11
CrossesTrout Brook
Location4.0 MI NE of Stockholm Ce
RouteState Highway 11
Coordinates44.77325, -74.75014
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.1 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,342 (2021)
Projected traffic2,364 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$973,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 11 over Trout Brook built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1990.

What condition is RTE 11 over Trout Brook 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 RTE 11 over Trout Brook carry?

About 2,342 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is RTE 11 over Trout Brook?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.1 m) and a deck 38 ft wide.

Who owns RTE 11 over Trout Brook?

It is owned by the State Highway Agency.