US Bridges

Csah 6 over Twelve Mile Creek

Good

Traverse County, Minnesota · 0.5 MI E of JCT CSAH13 · Structure no. 78530

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
275
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Twelve Mile Creek is a concrete continuous slab carrying Csah 6 over Twelve Mile Creek in Traverse County, Minnesota. It was built in 2013, so it is 12 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 275 vehicles a day, projected to reach 275 by 2039. The structure is 75 ft (22.9 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 6
CrossesTwelve Mile Creek
Location0.5 MI E of JCT CSAH13
RouteCounty Highway 6
Coordinates45.71612, -96.34881
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length75 ft (22.9 m)
Longest span28 ft (8.4 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2016)
Projected traffic275 by 2039
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 6 over Twelve Mile Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Csah 6 over Twelve Mile 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 November 2023.

How much traffic does Csah 6 over Twelve Mile Creek carry?

About 275 vehicles per day (2016 count).

How long is Csah 6 over Twelve Mile Creek?

The structure is 75 ft (22.9 m) long with a longest span of 28 ft (8.4 m) and a deck 39 ft wide.

Who owns Csah 6 over Twelve Mile Creek?

It is owned by the County Highway Agency.