US Bridges

Csah 9 over Ditch

PoorPosted for load

Dodge County, Minnesota · 1.0 MI S of JCT Csah 10 · Structure no. 89102

Built
1938
87 years old
Condition
Poor
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
739
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Ditch is a concrete culvert carrying Csah 9 over Ditch in Dodge County, Minnesota. It was built in 1938, so it is 87 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 4 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 739 vehicles a day, projected to reach 950 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 9
CrossesDitch
Location1.0 MI S of JCT Csah 10
RouteCounty Highway 9
Coordinates43.99367, -92.79896
Functional classRural Minor Collector

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.2 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic739 (2021)
Projected traffic950 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$235 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 9 over Ditch built?

It was built in 1938, making it 87 years old in 2025.

What condition is Csah 9 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 June 2024.

How much traffic does Csah 9 over Ditch carry?

About 739 vehicles per day (2021 count).

How long is Csah 9 over Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.2 m).

Who owns Csah 9 over Ditch?

It is owned by the County Highway Agency.