US Bridges

RTE 11B over River Street E Br ST Re

Fair

St. Lawrence County, New York · .2 MI NE JCT Rts 11B &458 · Structure no. 000000001009170

Built
1966
59 years old, rebuilt 2009
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
435 ft
3 main spans
Daily traffic
2,835
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 11B over River Street E Br ST Re is a steel continuous stringer/multi-beam or girder carrying RTE 11B over River Street E Br ST Re in St. Lawrence County, New York. It was built in 1966 and reconstructed in 2009, so it is 59 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 2,835 vehicles a day, roughly 17% of them trucks, projected to reach 2,957 by 2041. The structure is 435 ft (132.6 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRTE 11B
CrossesRiver Street E Br ST Re
Location.2 MI NE JCT Rts 11B &458
RouteState Highway 11B
Coordinates44.69592, -74.66111
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length435 ft (132.6 m)
Longest span175 ft (53.3 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,835 (2020)
Projected traffic2,957 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed6.8 mi (11 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$5.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 11B over River Street E Br ST Re built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2009.

What condition is RTE 11B over River Street E Br ST Re 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 May 2024.

How much traffic does RTE 11B over River Street E Br ST Re carry?

About 2,835 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is RTE 11B over River Street E Br ST Re?

The structure is 435 ft (132.6 m) long with a longest span of 175 ft (53.3 m) and a deck 39 ft wide.

Who owns RTE 11B over River Street E Br ST Re?

It is owned by the State Highway Agency.