US Bridges

Csah 13 over Twelve Mile Creek

Good

Traverse County, Minnesota · 0.1 MI N of JCT CR 70 · Structure no. 91337

Built
1975
50 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
53 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 culvert carrying Csah 13 over Twelve Mile Creek in Traverse County, Minnesota. It was built in 1975, so it is 50 years old, older 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 53 ft (16.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 13
CrossesTwelve Mile Creek
Location0.1 MI N of JCT CR 70
RouteCounty Highway 13
Coordinates45.74586, -96.35797
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.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 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 13 over Twelve Mile Creek built?

It was built in 1975, making it 50 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 December 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 53 ft (16.2 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 13 over Twelve Mile Creek?

It is owned by the County Highway Agency.