US Bridges

Csah 20 over Whiskey Creek

Poor

Wilkin County, Minnesota · 0.3 MI E of JCT TH75 · Structure no. 92317

Built
1968
57 years old
Condition
Poor
inspected September 2024
Type
Culvert
Steel
Length
44 ft
2 main spans
Daily traffic
58
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Whiskey Creek is a steel culvert carrying Csah 20 over Whiskey Creek in Wilkin County, Minnesota. It was built in 1968, so it is 57 years old, older than the Minnesota average of 38.5 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 58 vehicles a day, projected to reach 90 by 2042. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 20
CrossesWhiskey Creek
Location0.3 MI E of JCT TH75
RouteCounty Highway 20
Coordinates46.41313, -96.65864
Functional classRural Minor Collector

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span19 ft (5.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2022)
Projected traffic90 by 2042
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$195 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 20 over Whiskey Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 20 over Whiskey 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 September 2024.

How much traffic does Csah 20 over Whiskey Creek carry?

About 58 vehicles per day (2022 count).

How long is Csah 20 over Whiskey Creek?

The structure is 44 ft (13.4 m) long with a longest span of 19 ft (5.7 m).

Who owns Csah 20 over Whiskey Creek?

It is owned by the County Highway Agency.