US Bridges

Bald Mountain RD over W B Oswegatchie R

FairPosted for load

Lewis County, New York · .2 MI N JCT Bld Mt & Lp R · Structure no. 000000005524550

Built
1945
80 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
70 ft
4 main spans
Daily traffic
—
2024 count
Owner
State
Other State Agency

About this bridge

Bald Mountain RD over W B Oswegatchie R is a steel continuous stringer/multi-beam or girder carrying Bald Mountain RD over W B Oswegatchie R in Lewis County, New York. It was built in 1945, so it is 80 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. Its operating status is: posted for load restriction.

No traffic count is recorded. The structure is 70 ft (21.3 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesBald Mountain RD
CrossesW B Oswegatchie R
Location.2 MI N JCT Bld Mt & Lp R
RouteState Lands Road 0
CountyLewis County
StateNew York
Coordinates43.99382, -75.20076
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating4.6 US tons
Inventory rating3.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans4
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span22 ft (6.7 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks17%
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

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$346,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bald Mountain RD over W B Oswegatchie R built?

It was built in 1945, making it 80 years old in 2025.

What condition is Bald Mountain RD over W B Oswegatchie R 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 2024.

How much traffic does Bald Mountain RD over W B Oswegatchie R carry?

No traffic count is recorded for this structure.

How long is Bald Mountain RD over W B Oswegatchie R?

The structure is 70 ft (21.3 m) long with a longest span of 22 ft (6.7 m) and a deck 14 ft wide.

Who owns Bald Mountain RD over W B Oswegatchie R?

It is owned by the Other State Agency.