US Bridges

Old Piseco Road over Old Flow

Fair

Hamilton County, New York · 3.5 Miles SW of Spy Lake · Structure no. 000000003307380

Built
1937
88 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
85
2018 count
Owner
County
County Highway Agency

About this bridge

Old Piseco Road over Old Flow is a steel stringer/multi-beam or girder carrying Old Piseco Road over Old Flow in Hamilton County, New York. It was built in 1937, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 85 vehicles a day, roughly 15% of them trucks, projected to reach 119 by 2038. The structure is 43 ft (13.1 m) long and 34 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesOld Piseco Road
CrossesOld Flow
Location3.5 Miles SW of Spy Lake
RouteCounty Highway 0
Coordinates43.39296, -74.59403
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2018)
Projected traffic119 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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$920,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Piseco Road over Old Flow built?

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

What condition is Old Piseco Road over Old Flow in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Old Piseco Road over Old Flow carry?

About 85 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Old Piseco Road over Old Flow?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 34 ft wide.

Who owns Old Piseco Road over Old Flow?

It is owned by the County Highway Agency.