US Bridges

Old Route 8B over Sacandaga River

Fair

Hamilton County, New York · 2.6 Miles E of Speculator · Structure no. 000000003307510

Built
1920
105 years old, rebuilt 2022
Condition
Fair
inspected November 2024
Type
Truss - Thru
Steel
Length
93 ft
1 main span
Daily traffic
14
2021 count
Owner
County
County Highway Agency

About this bridge

Old Route 8B over Sacandaga River is a steel truss - thru carrying Old Route 8B over Sacandaga River in Hamilton County, New York. It was built in 1920 and reconstructed in 2022, so it is 105 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 14 vehicles a day, roughly 15% of them trucks, projected to reach 20 by 2041. The structure is 93 ft (28.3 m) long and 17 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesOld Route 8B
CrossesSacandaga River
Location2.6 Miles E of Speculator
Coordinates43.51128, -74.31356
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
Deck9 ExcellentNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span90 ft (27.4 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (2021)
Projected traffic20 by 2041
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Route 8B over Sacandaga River built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2022.

What condition is Old Route 8B over Sacandaga River 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 November 2024.

How much traffic does Old Route 8B over Sacandaga River carry?

About 14 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Old Route 8B over Sacandaga River?

The structure is 93 ft (28.3 m) long with a longest span of 90 ft (27.4 m) and a deck 17 ft wide.

Who owns Old Route 8B over Sacandaga River?

It is owned by the County Highway Agency.