US Bridges

US 12 over Ditch

Good

Big Stone County, Minnesota · 10.8 MI E of JCT US 75 · Structure no. 06X02

Built
2021
4 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
544
2022 count
Owner
State
State Highway Agency

About this bridge

US 12 over Ditch is a concrete culvert carrying US 12 over Ditch in Big Stone County, Minnesota. It was built in 2021, so it is 4 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 544 vehicles a day, roughly 28% of them trucks, projected to reach 780 by 2042. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesUS 12
CrossesDitch
Location10.8 MI E of JCT US 75
RouteU.S. Route 12
CountyBig Stone County
StateMinnesota
Coordinates45.29816, -96.20762
Functional classRural Minor Arterial

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.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length27 ft (8.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic544 (2022)
Projected traffic780 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 12 over Ditch built?

It was built in 2021, making it 4 years old in 2025.

What condition is US 12 over Ditch 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 September 2022.

How much traffic does US 12 over Ditch carry?

About 544 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 12 over Ditch?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns US 12 over Ditch?

It is owned by the State Highway Agency.