US Bridges

Youngstown Road over Twelvemile Creek

Fair

Niagara County, New York · 3 Miles SW of Wilson · Structure no. 000000003329750

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
53 ft
2 main spans
Daily traffic
909
2020 count
Owner
County
County Highway Agency

About this bridge

Youngstown Road over Twelvemile Creek is a steel culvert carrying Youngstown Road over Twelvemile Creek in Niagara County, New York. It was built in 1966, so it is 59 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.

It carries about 909 vehicles a day, roughly 11% of them trucks, projected to reach 1,273 by 2040. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesYoungstown Road
CrossesTwelvemile Creek
Location3 Miles SW of Wilson
RouteCounty Highway 0
CountyNiagara County
StateNew York
Coordinates43.2888, -78.87131
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length53 ft (16.2 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic909 (2020)
Projected traffic1,273 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$784,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Youngstown Road over Twelvemile Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Youngstown Road over Twelvemile Creek 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 August 2024.

How much traffic does Youngstown Road over Twelvemile Creek carry?

About 909 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Youngstown Road over Twelvemile Creek?

The structure is 53 ft (16.2 m) long with a longest span of 25 ft (7.6 m).

Who owns Youngstown Road over Twelvemile Creek?

It is owned by the County Highway Agency.