US Bridges

Silver Lake Road over Saranac River

Good

Clinton County, New York · 1.8 MI N of Hawkeye · Structure no. 000000003335680

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
350
2020 count
Owner
County
County Highway Agency

About this bridge

Silver Lake Road over Saranac River is a prestressed concrete box beam or girders - multiple carrying Silver Lake Road over Saranac River in Clinton County, New York. It was built in 2010, so it is 15 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 350 vehicles a day, roughly 6% of them trucks, projected to reach 490 by 2040. The structure is 94 ft (28.7 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSilver Lake Road
CrossesSaranac River
Location1.8 MI N of Hawkeye
RouteCounty Highway 0
Coordinates44.54522, -73.86185
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length94 ft (28.7 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2020)
Projected traffic490 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Silver Lake Road over Saranac River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Silver Lake Road over Saranac 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 Silver Lake Road over Saranac River carry?

About 350 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Silver Lake Road over Saranac River?

The structure is 94 ft (28.7 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns Silver Lake Road over Saranac River?

It is owned by the County Highway Agency.