US Bridges

971HX over Black River

Good

Jefferson County, New York · Located in Brownville · Structure no. 000000001080440

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
205 ft
1 main span
Daily traffic
—
2024 count
Owner
State
State Highway Agency

About this bridge

971HX over Black River is a steel stringer/multi-beam or girder carrying 971HX over Black River in Jefferson County, New York. It was built in 2024, so it is 1 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

No traffic count is recorded. The structure is 205 ft (62.5 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries971HX
CrossesBlack River
LocationLocated in Brownville
RouteState Highway 0
Coordinates44.00048, -75.99458
Functional classUrban Minor Arterial

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span200 ft (61 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 971HX over Black River built?

It was built in 2024, making it 1 years old in 2025.

What condition is 971HX over Black 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 January 2025.

How much traffic does 971HX over Black River carry?

No traffic count is recorded for this structure.

How long is 971HX over Black River?

The structure is 205 ft (62.5 m) long with a longest span of 200 ft (61 m) and a deck 45 ft wide.

Who owns 971HX over Black River?

It is owned by the State Highway Agency.