US Bridges

Silverlake RD over N.Br.Saranac R.

Good

Clinton County, New York · .1MI S RTE 3 Clayburg · Structure no. 000000003335690

Built
1964
61 years old, rebuilt 2008
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
305
2021 count
Owner
County
County Highway Agency

About this bridge

Silverlake RD over N.Br.Saranac R. is a steel stringer/multi-beam or girder carrying Silverlake RD over N.Br.Saranac R. in Clinton County, New York. It was built in 1964 and reconstructed in 2008, so it is 61 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 305 vehicles a day, roughly 7% of them trucks, projected to reach 427 by 2041. The structure is 70 ft (21.3 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSilverlake RD
CrossesN.Br.Saranac R.
Location.1MI S RTE 3 Clayburg
RouteCounty Highway 0
CountyClinton County
StateNew York
Coordinates44.59619, -73.83833
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2021)
Projected traffic427 by 2041
Trucks7%
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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Silverlake RD over N.Br.Saranac R. built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2008.

What condition is Silverlake RD over N.Br.Saranac R. 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 Silverlake RD over N.Br.Saranac R. carry?

About 305 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Silverlake RD over N.Br.Saranac R.?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 31 ft wide.

Who owns Silverlake RD over N.Br.Saranac R.?

It is owned by the County Highway Agency.