US Bridges

T 64 over Willow Creek

Fair

Pipestone County, Minnesota · 1.0 MI W of JCT Csah 15 · Structure no. 91756

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
25
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 64 over Willow Creek is a concrete culvert carrying T 64 over Willow Creek in Pipestone County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 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 25 vehicles a day, projected to reach 25 by 2029. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesT 64
CrossesWillow Creek
Location1.0 MI W of JCT Csah 15
RouteCounty Highway 64
CountyPipestone County
StateMinnesota
Coordinates44.16883, -96.38831
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 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 inspectionApril 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1986)
Projected traffic25 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 64 over Willow Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is T 64 over Willow 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 April 2024.

How much traffic does T 64 over Willow Creek carry?

About 25 vehicles per day (1986 count).

How long is T 64 over Willow Creek?

The structure is 31 ft (9.5 m) long with a longest span of 14 ft (4.3 m).

Who owns T 64 over Willow Creek?

It is owned by the Town or Township Highway Agency.