US Bridges

Duquette Road over Saranac River

Good

Clinton County, New York · 1.8 M SW Cadyville · Structure no. 000000003335760

Built
1997
28 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
1 main span
Daily traffic
712
2020 count
Owner
County
County Highway Agency

About this bridge

Duquette Road over Saranac River is a steel stringer/multi-beam or girder carrying Duquette Road over Saranac River in Clinton County, New York. It was built in 1997, so it is 28 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 712 vehicles a day, roughly 6% of them trucks, projected to reach 997 by 2040. The structure is 165 ft (50.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDuquette Road
CrossesSaranac River
Location1.8 M SW Cadyville
Coordinates44.68699, -73.66711
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length165 ft (50.3 m)
Longest span160 ft (48.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic712 (2020)
Projected traffic997 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Duquette Road over Saranac River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Duquette 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 July 2023.

How much traffic does Duquette Road over Saranac River carry?

About 712 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Duquette Road over Saranac River?

The structure is 165 ft (50.3 m) long with a longest span of 160 ft (48.7 m) and a deck 28 ft wide.

Who owns Duquette Road over Saranac River?

It is owned by the County Highway Agency.