US Bridges

RTE 8 over Sacandaga River

Fair

Hamilton County, New York · JCT 8+30+SACANDAGA R · Structure no. 000000001004850

Built
1934
91 years old, rebuilt 2009
Condition
Fair
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
285 ft
4 main spans
Daily traffic
1,270
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 8 over Sacandaga River is a steel girder and floorbeam system carrying RTE 8 over Sacandaga River in Hamilton County, New York. It was built in 1934 and reconstructed in 2009, so it is 91 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 6 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 1,270 vehicles a day, roughly 11% of them trucks, projected to reach 1,277 by 2041. The structure is 285 ft (86.9 m) long and 36 ft wide. If it were closed, the detour would be 53.4 mi (86 km).

Location

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CarriesRTE 8
CrossesSacandaga River
LocationJCT 8+30+SACANDAGA R
RouteState Highway 8
CountyHamilton County
StateNew York
Coordinates43.44513, -74.25134
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span90 ft (27.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,270 (2020)
Projected traffic1,277 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed53.4 mi (86 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 8 over Sacandaga River built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2009.

What condition is RTE 8 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 October 2023.

How much traffic does RTE 8 over Sacandaga River carry?

About 1,270 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE 8 over Sacandaga River?

The structure is 285 ft (86.9 m) long with a longest span of 90 ft (27.4 m) and a deck 36 ft wide.

Who owns RTE 8 over Sacandaga River?

It is owned by the State Highway Agency.