US Bridges

Silvernails Road over Unnamed Stream

Fair

Columbia County, New York · 1.9 Miles East of Mt Ross · Structure no. 000000002262920

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
691
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Silvernails Road over Unnamed Stream is a steel culvert carrying Silvernails Road over Unnamed Stream in Columbia County, New York. It was built in 1973, so it is 52 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 691 vehicles a day, roughly 7% of them trucks, projected to reach 967 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSilvernails Road
CrossesUnnamed Stream
Location1.9 Miles East of Mt Ross
CountyColumbia County
StateNew York
Coordinates42.00509, -73.67901
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic691 (2020)
Projected traffic967 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$199,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Silvernails Road over Unnamed Stream built?

It was built in 1973, making it 52 years old in 2025.

What condition is Silvernails Road over Unnamed Stream 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 2023.

How much traffic does Silvernails Road over Unnamed Stream carry?

About 691 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Silvernails Road over Unnamed Stream?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6 m).

Who owns Silvernails Road over Unnamed Stream?

It is owned by the Town or Township Highway Agency.