US Bridges

Lazy River Road over Grasse River

Good

St. Lawrence County, New York · 2.4 MI E of Hermon · Structure no. 000000003341820

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
1 main span
Daily traffic
184
2015 count
Owner
County
County Highway Agency

About this bridge

Lazy River Road over Grasse River is a steel stringer/multi-beam or girder carrying Lazy River Road over Grasse River in St. Lawrence County, New York. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 184 vehicles a day, roughly 3% of them trucks, projected to reach 258 by 2035. The structure is 167 ft (50.9 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLazy River Road
CrossesGrasse River
Location2.4 MI E of Hermon
Coordinates44.46676, -75.18402
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.1 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHL 93
Structure length167 ft (50.9 m)
Longest span164 ft (50 m)
Deck width31 ft (9.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic184 (2015)
Projected traffic258 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lazy River Road over Grasse River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Lazy River Road over 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 November 2024.

How much traffic does Lazy River Road over Grasse River carry?

About 184 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Lazy River Road over Grasse River?

The structure is 167 ft (50.9 m) long with a longest span of 164 ft (50 m) and a deck 31 ft wide.

Who owns Lazy River Road over Grasse River?

It is owned by the County Highway Agency.