US Bridges

Youngs Mill Road over Swiss Creek

Poor

Lewis County, New York · 8.0 MI NW of Croghan · Structure no. 000000002220300

Built
1985
40 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
22
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Youngs Mill Road over Swiss Creek is a steel stringer/multi-beam or girder carrying Youngs Mill Road over Swiss Creek in Lewis County, New York. It was built in 1985, so it is 40 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 22 vehicles a day, roughly 17% of them trucks, projected to reach 31 by 2035. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesYoungs Mill Road
CrossesSwiss Creek
Location8.0 MI NW of Croghan
CountyLewis County
StateNew York
Coordinates43.94098, -75.49429
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2015)
Projected traffic31 by 2035
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$315,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Youngs Mill Road over Swiss Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Youngs Mill Road over Swiss Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Youngs Mill Road over Swiss Creek carry?

About 22 vehicles per day (2015 count), of which roughly 17% are trucks.

How long is Youngs Mill Road over Swiss Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns Youngs Mill Road over Swiss Creek?

It is owned by the Town or Township Highway Agency.