US Bridges

Mn 23 over Ditch

Fair

Pipestone County, Minnesota · 3.7 MI NE of Pipestone · Structure no. 6102

Built
1936
89 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
3,450
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over Ditch is a concrete culvert carrying Mn 23 over Ditch in Pipestone County, Minnesota. It was built in 1936, so it is 89 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 5 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 3,450 vehicles a day, roughly 15% of them trucks, projected to reach 3,150 by 2038. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesMn 23
CrossesDitch
Location3.7 MI NE of Pipestone
RouteState Highway 23
CountyPipestone County
StateMinnesota
Coordinates44.03583, -96.25507
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 loadH 15
Structure length38 ft (11.6 m)
Longest span17 ft (5.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2018)
Projected traffic3,150 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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$420 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 23 over Ditch built?

It was built in 1936, making it 89 years old in 2025.

What condition is Mn 23 over Ditch 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 September 2024.

How much traffic does Mn 23 over Ditch carry?

About 3,450 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Mn 23 over Ditch?

The structure is 38 ft (11.6 m) long with a longest span of 17 ft (5.3 m).

Who owns Mn 23 over Ditch?

It is owned by the State Highway Agency.