US Bridges

T 315 over Willow Creek

Fair

Fillmore County, Minnesota · 1.3 MI S of JCT Csah 22 · Structure no. L9883

Built
1979
46 years old
Condition
Fair
inspected April 2021
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
24
1973 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 315 over Willow Creek is a concrete culvert carrying T 315 over Willow Creek in Fillmore 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 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 24 vehicles a day, projected to reach 24 by 2029. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 315
CrossesWillow Creek
Location1.3 MI S of JCT Csah 22
RouteCounty Highway 315
Coordinates43.59207, -92.10699
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (1973)
Projected traffic24 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 315 over Willow Creek built?

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

What condition is T 315 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 2021.

How much traffic does T 315 over Willow Creek carry?

About 24 vehicles per day (1973 count).

How long is T 315 over Willow Creek?

The structure is 45 ft (13.7 m) long with a longest span of 16 ft (4.9 m).

Who owns T 315 over Willow Creek?

It is owned by the Town or Township Highway Agency.