US Bridges

Csah 1 over Ditch

Fair

Nobles County, Minnesota · 0.8 MI N of JCT Csah 16 · Structure no. L2603

Built
1954
71 years old
Condition
Fair
inspected October 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
560
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Ditch is a concrete culvert carrying Csah 1 over Ditch in Nobles County, Minnesota. It was built in 1954, so it is 71 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 560 vehicles a day, projected to reach 580 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesDitch
Location0.8 MI N of JCT Csah 16
RouteCounty Highway 1
CountyNobles County
StateMinnesota
Coordinates43.80251, -95.47214
Functional classRural Major Collector

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 inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating56.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2020)
Projected traffic580 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$40 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over Ditch built?

It was built in 1954, making it 71 years old in 2025.

What condition is Csah 1 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 2022.

How much traffic does Csah 1 over Ditch carry?

About 560 vehicles per day (2020 count).

How long is Csah 1 over Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Csah 1 over Ditch?

It is owned by the County Highway Agency.