US Bridges

Lake George Road over S Br Grasse River

GoodPosted for load

St. Lawrence County, New York · 1 Mile SE of Degrasse · Structure no. 000000003221000

Built
1976
49 years old
Condition
Good
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
68 ft
1 main span
Daily traffic
7
2015 count
Owner
County
County Highway Agency

About this bridge

Lake George Road over S Br Grasse River is a steel girder and floorbeam system carrying Lake George Road over S Br Grasse River in St. Lawrence County, New York. It was built in 1976, so it is 49 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. Its operating status is: posted for load restriction.

It carries about 7 vehicles a day, projected to reach 10 by 2035. The structure is 68 ft (20.7 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLake George Road
CrossesS Br Grasse River
Location1 Mile SE of Degrasse
Coordinates44.33755, -75.04582
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23 US tons
Inventory rating13 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span64 ft (19.5 m)
Deck width19 ft (5.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7 (2015)
Projected traffic10 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$502,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake George Road over S Br Grasse River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Lake George Road over S Br Grasse 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 September 2024.

How much traffic does Lake George Road over S Br Grasse River carry?

About 7 vehicles per day (2015 count).

How long is Lake George Road over S Br Grasse River?

The structure is 68 ft (20.7 m) long with a longest span of 64 ft (19.5 m) and a deck 19 ft wide.

Who owns Lake George Road over S Br Grasse River?

It is owned by the County Highway Agency.