US Bridges

T-564 Wincklick RD over Little Mill Creek

Fair

Clarion County, Pennsylvania · 2.2 MI W Int W/ SR 949 · Structure no. 000000000011147

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-564 Wincklick RD over Little Mill Creek is a steel stringer/multi-beam or girder carrying T-564 Wincklick RD over Little Mill Creek in Clarion County, Pennsylvania. It was built in 1960, so it is 65 years old, older than the Pennsylvania average of 54.8 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: open, temporary structure in place while original is closed.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 77 by 2045. The structure is 33 ft (10.1 m) long and 13 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-564 Wincklick RD
CrossesLittle Mill Creek
Location2.2 MI W Int W/ SR 949
RouteCity Street 0
Coordinates41.20448, -79.22059
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic77 by 2045
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$528,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-564 Wincklick RD over Little Mill Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is T-564 Wincklick RD over Little Mill 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 September 2023.

How much traffic does T-564 Wincklick RD over Little Mill Creek carry?

About 50 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is T-564 Wincklick RD over Little Mill Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 13 ft wide.

Who owns T-564 Wincklick RD over Little Mill Creek?

It is owned by the Town or Township Highway Agency.