US Bridges

Union Falls RD over Saranac River

Good

Clinton County, New York · 2.8 Mi. W of Hawkeye · Structure no. 000000003335670

Built
1937
88 years old, rebuilt 2023
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
1 main span
Daily traffic
119
2021 count
Owner
County
County Highway Agency

About this bridge

Union Falls RD over Saranac River is a steel stringer/multi-beam or girder carrying Union Falls RD over Saranac River in Clinton County, New York. It was built in 1937 and reconstructed in 2023, so it is 88 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 119 vehicles a day, roughly 4% of them trucks, projected to reach 167 by 2041. The structure is 127 ft (38.7 m) long and 31 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesUnion Falls RD
CrossesSaranac River
Location2.8 Mi. W of Hawkeye
RouteCounty Highway 0
Coordinates44.50763, -73.91508
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40 US tons
Inventory rating23 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length127 ft (38.7 m)
Longest span120 ft (36.5 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic119 (2021)
Projected traffic167 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 Union Falls RD over Saranac River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2023.

What condition is Union Falls RD 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 February 2024.

How much traffic does Union Falls RD over Saranac River carry?

About 119 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Union Falls RD over Saranac River?

The structure is 127 ft (38.7 m) long with a longest span of 120 ft (36.5 m) and a deck 31 ft wide.

Who owns Union Falls RD over Saranac River?

It is owned by the County Highway Agency.