US Bridges

M 15 over Whiskey Creek

Fair

Clay County, Minnesota · 0.1 MI S of JCT TH 34 · Structure no. L9957

Built
1980
45 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
59
1986 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 15 over Whiskey Creek is a concrete culvert carrying M 15 over Whiskey Creek in Clay County, Minnesota. It was built in 1980, so it is 45 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 59 vehicles a day, projected to reach 59 by 2029. The structure is 30 ft (9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 15
CrossesWhiskey Creek
Location0.1 MI S of JCT TH 34
RouteCity Street 15
Coordinates46.65957, -96.41614
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (1986)
Projected traffic59 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 M 15 over Whiskey Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is M 15 over Whiskey 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 M 15 over Whiskey Creek carry?

About 59 vehicles per day (1986 count).

How long is M 15 over Whiskey Creek?

The structure is 30 ft (9 m) long with a longest span of 11 ft (3.5 m).

Who owns M 15 over Whiskey Creek?

It is owned by the City or Municipal Highway Agency.