US Bridges

Csah 13 over Twelve Mile Creek

Good

Traverse County, Minnesota · 0.4 MI N of JCT Csah 6 · Structure no. 78519

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
20
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 13 over Twelve Mile Creek is a concrete continuous slab carrying Csah 13 over Twelve Mile Creek in Traverse County, Minnesota. It was built in 2007, so it is 18 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 20 vehicles a day, projected to reach 20 by 2039. The structure is 76 ft (23.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 13
CrossesTwelve Mile Creek
Location0.4 MI N of JCT Csah 6
RouteCounty Highway 13
Coordinates45.72233, -96.3576
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating78.8 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length76 ft (23.3 m)
Longest span28 ft (8.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2012)
Projected traffic20 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 13 over Twelve Mile Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Csah 13 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 13 over Twelve Mile Creek carry?

About 20 vehicles per day (2012 count).

How long is Csah 13 over Twelve Mile Creek?

The structure is 76 ft (23.3 m) long with a longest span of 28 ft (8.6 m) and a deck 35 ft wide.

Who owns Csah 13 over Twelve Mile Creek?

It is owned by the County Highway Agency.