US Bridges

CR 47 over Ditch

PoorPosted for load

Cottonwood County, Minnesota · 2.3 MI S of JCT TH 60 · Structure no. 89569

Built
1908
117 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
33
2021 count
Owner
County
County Highway Agency

About this bridge

CR 47 over Ditch is a steel stringer/multi-beam or girder carrying CR 47 over Ditch in Cottonwood County, Minnesota. It was built in 1908, so it is 117 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 33 vehicles a day, projected to reach 45 by 2041. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCR 47
CrossesDitch
Location2.3 MI S of JCT TH 60
RouteCounty Highway 47
CountyCottonwood County
StateMinnesota
Coordinates43.89536, -94.95952
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.2 US tons
Inventory rating14.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span31 ft (9.3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2021)
Projected traffic45 by 2041
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 CR 47 over Ditch built?

It was built in 1908, making it 117 years old in 2025.

What condition is CR 47 over Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does CR 47 over Ditch carry?

About 33 vehicles per day (2021 count).

How long is CR 47 over Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.3 m) and a deck 28 ft wide.

Who owns CR 47 over Ditch?

It is owned by the County Highway Agency.