US Bridges

Mn 11 over Ditch

Fair

Kittson County, Minnesota · 5.9 MI E of State Line · Structure no. 8906

Built
1955
70 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
1,114
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 11 over Ditch is a concrete culvert carrying Mn 11 over Ditch in Kittson County, Minnesota. It was built in 1955, so it is 70 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 1,114 vehicles a day, roughly 25% of them trucks, projected to reach 1,900 by 2041. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesMn 11
CrossesDitch
Location5.9 MI E of State Line
RouteState Highway 11
CountyKittson County
StateMinnesota
Coordinates48.57332, -97.01912
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 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 20
Structure length35 ft (10.7 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,114 (2021)
Projected traffic1,900 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 11 over Ditch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Mn 11 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 October 2024.

How much traffic does Mn 11 over Ditch carry?

About 1,114 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is Mn 11 over Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.8 m).

Who owns Mn 11 over Ditch?

It is owned by the State Highway Agency.