US Bridges

Mn 28 over CO Ditch # 10

Fair

Big Stone County, Minnesota · 1.8 MI E of Johnson · Structure no. 91575

Built
1978
47 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,035
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 28 over CO Ditch # 10 is a concrete culvert carrying Mn 28 over CO Ditch # 10 in Big Stone County, Minnesota. It was built in 1978, so it is 47 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,035 vehicles a day, roughly 17% of them trucks, projected to reach 1,200 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMn 28
CrossesCO Ditch # 10
Location1.8 MI E of Johnson
RouteState Highway 28
CountyBig Stone County
StateMinnesota
Coordinates45.57117, -96.26127
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,035 (2022)
Projected traffic1,200 by 2042
Trucks17%
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

OwnerState Highway Agency
Maintained byState 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 Mn 28 over CO Ditch # 10 built?

It was built in 1978, making it 47 years old in 2025.

What condition is Mn 28 over CO Ditch # 10 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Mn 28 over CO Ditch # 10 carry?

About 1,035 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Mn 28 over CO Ditch # 10?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.8 m).

Who owns Mn 28 over CO Ditch # 10?

It is owned by the State Highway Agency.