US Bridges

Black Bridge Road over W Br Sacandaga River

Fair

Hamilton County, New York · 4.3 MI SW of Wells · Structure no. 000000003307480

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Truss - Thru
Steel
Length
177 ft
2 main spans
Daily traffic
48
2018 count
Owner
County
County Highway Agency

About this bridge

Black Bridge Road over W Br Sacandaga River is a steel truss - thru carrying Black Bridge Road over W Br Sacandaga River in Hamilton County, New York. It was built in 1991, so it is 34 years old, younger 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 48 vehicles a day, roughly 15% of them trucks, projected to reach 67 by 2038. The structure is 177 ft (53.9 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBlack Bridge Road
CrossesW Br Sacandaga River
Location4.3 MI SW of Wells
RouteCounty Highway 0
Coordinates43.36977, -74.32299
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans2
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span122 ft (37.1 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2018)
Projected traffic67 by 2038
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$3.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Black Bridge Road over W Br Sacandaga River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Black Bridge Road over W Br 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 July 2024.

How much traffic does Black Bridge Road over W Br Sacandaga River carry?

About 48 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Black Bridge Road over W Br Sacandaga River?

The structure is 177 ft (53.9 m) long with a longest span of 122 ft (37.1 m) and a deck 17 ft wide.

Who owns Black Bridge Road over W Br Sacandaga River?

It is owned by the County Highway Agency.