US Bridges

RTE 11 over Raquette River

Good

St. Lawrence County, New York · .2 MI NE JCT Rts 11 & 345 · Structure no. 000000001071930

Built
1982
43 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
402 ft
3 main spans
Daily traffic
11,484
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 11 over Raquette River is a steel continuous stringer/multi-beam or girder carrying RTE 11 over Raquette River in St. Lawrence County, New York. It was built in 1982, so it is 43 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 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 11,484 vehicles a day, roughly 8% of them trucks, projected to reach 11,537 by 2041. The structure is 402 ft (122.5 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 11
CrossesRaquette River
Location.2 MI NE JCT Rts 11 & 345
RouteU.S. Route 11
Coordinates44.66915, -74.99166
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating64 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length402 ft (122.5 m)
Longest span159 ft (48.4 m)
Deck width65 ft (19.7 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,484 (2021)
Projected traffic11,537 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$8.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 11 over Raquette River built?

It was built in 1982, making it 43 years old in 2025.

What condition is RTE 11 over Raquette 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 August 2023.

How much traffic does RTE 11 over Raquette River carry?

About 11,484 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is RTE 11 over Raquette River?

The structure is 402 ft (122.5 m) long with a longest span of 159 ft (48.4 m) and a deck 65 ft wide.

Who owns RTE 11 over Raquette River?

It is owned by the State Highway Agency.