US Bridges

Csah 12 over Dakota Creek

Good

Winona County, Minnesota · 0.2 MI SE of JCT TH 14 · Structure no. 85562

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
620
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over Dakota Creek is a concrete continuous slab carrying Csah 12 over Dakota Creek in Winona County, Minnesota. It was built in 2011, so it is 14 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 620 vehicles a day, projected to reach 650 by 2039. The structure is 74 ft (22.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 12
CrossesDakota Creek
Location0.2 MI SE of JCT TH 14
RouteCounty Highway 12
CountyWinona County
StateMinnesota
Coordinates43.91664, -91.36064
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length74 ft (22.7 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2019)
Projected traffic650 by 2039
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

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 12 over Dakota Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Csah 12 over Dakota 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 October 2023.

How much traffic does Csah 12 over Dakota Creek carry?

About 620 vehicles per day (2019 count).

How long is Csah 12 over Dakota Creek?

The structure is 74 ft (22.7 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns Csah 12 over Dakota Creek?

It is owned by the County Highway Agency.