US Bridges

T 180 over CO Ditch # 6A

Good

Wilkin County, Minnesota · 0.9 MI S of JCT CR 172 · Structure no. 96831

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
10
1990 count
Owner
County
County Highway Agency

About this bridge

T 180 over CO Ditch # 6A is a concrete culvert carrying T 180 over CO Ditch # 6A in Wilkin County, Minnesota. It was built in 1991, so it is 34 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 10 vehicles a day, projected to reach 10 by 2029. The structure is 26 ft (8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 180
CrossesCO Ditch # 6A
Location0.9 MI S of JCT CR 172
RouteCounty Highway 180
Coordinates46.42792, -96.61372
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable 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 spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1990)
Projected traffic10 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 180 over CO Ditch # 6A built?

It was built in 1991, making it 34 years old in 2025.

What condition is T 180 over CO Ditch # 6A 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 2024.

How much traffic does T 180 over CO Ditch # 6A carry?

About 10 vehicles per day (1990 count).

How long is T 180 over CO Ditch # 6A?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3.1 m).

Who owns T 180 over CO Ditch # 6A?

It is owned by the County Highway Agency.