US Bridges

T 86 over W Fk Twelve Mile Creek

Good

Traverse County, Minnesota · 1.3 MI W of JCT Csah 15 · Structure no. 97778

Built
1994
31 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
4
1986 count
Owner
County
County Highway Agency

About this bridge

T 86 over W Fk Twelve Mile Creek is a concrete culvert carrying T 86 over W Fk Twelve Mile Creek in Traverse County, Minnesota. It was built in 1994, so it is 31 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 4 vehicles a day, projected to reach 4 by 2029. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 86
CrossesW Fk Twelve Mile Creek
Location1.3 MI W of JCT Csah 15
RouteCounty Highway 86
Coordinates45.67247, -96.322
Functional classRural Local

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 inspectionNovember 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 rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (1986)
Projected traffic4 by 2029
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 T 86 over W Fk Twelve Mile Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is T 86 over W Fk 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 T 86 over W Fk Twelve Mile Creek carry?

About 4 vehicles per day (1986 count).

How long is T 86 over W Fk Twelve Mile Creek?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.2 m).

Who owns T 86 over W Fk Twelve Mile Creek?

It is owned by the County Highway Agency.