US Bridges

Csah 15 over Whisky Creek

Good

Clay County, Minnesota · 2.7 MI S of JCT Csah 51 · Structure no. 14J66

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Whisky Creek is a concrete culvert carrying Csah 15 over Whisky Creek in Clay County, Minnesota. It was built in 2004, so it is 21 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, projected to reach 45 by 2040. The structure is 46 ft (14 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 15
CrossesWhisky Creek
Location2.7 MI S of JCT Csah 51
RouteCounty Highway 15
Coordinates46.69293, -96.58964
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length46 ft (14 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2020)
Projected traffic45 by 2040
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 15 over Whisky Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Csah 15 over Whisky Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Csah 15 over Whisky Creek carry?

About 65 vehicles per day (2020 count).

How long is Csah 15 over Whisky Creek?

The structure is 46 ft (14 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 15 over Whisky Creek?

It is owned by the County Highway Agency.