US Bridges

RTE 11B over West Br ST Regis

Good

St. Lawrence County, New York · 5.2 MI E JCT 11B + 56 · Structure no. 000000001009150

Built
1971
54 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
386 ft
3 main spans
Daily traffic
3,714
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 11B over West Br ST Regis is a steel continuous stringer/multi-beam or girder carrying RTE 11B over West Br ST Regis in St. Lawrence County, New York. It was built in 1971, so it is 54 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 3,714 vehicles a day, roughly 9% of them trucks, projected to reach 3,874 by 2041. The structure is 386 ft (117.7 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 11B
CrossesWest Br ST Regis
Location5.2 MI E JCT 11B + 56
RouteState Highway 11B
Coordinates44.67231, -74.86662
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length386 ft (117.7 m)
Longest span145 ft (44.1 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,714 (2021)
Projected traffic3,874 by 2041
Trucks9%
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$6.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 11B over West Br ST Regis built?

It was built in 1971, making it 54 years old in 2025.

What condition is RTE 11B over West Br ST Regis 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 June 2024.

How much traffic does RTE 11B over West Br ST Regis carry?

About 3,714 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is RTE 11B over West Br ST Regis?

The structure is 386 ft (117.7 m) long with a longest span of 145 ft (44.1 m) and a deck 50 ft wide.

Who owns RTE 11B over West Br ST Regis?

It is owned by the State Highway Agency.