US Bridges

Csah 1 over Ditch

Good

Cottonwood County, Minnesota · 0.1 MI N of JCT Csah 16 · Structure no. 17530

Built
2001
24 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
859
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Ditch is a prestressed concrete stringer/multi-beam or girder carrying Csah 1 over Ditch in Cottonwood County, Minnesota. It was built in 2001, so it is 24 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 859 vehicles a day, projected to reach 1,000 by 2041. The structure is 74 ft (22.7 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 1
CrossesDitch
Location0.1 MI N of JCT Csah 16
RouteCounty Highway 1
Coordinates43.90685, -94.91984
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.7 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic859 (2021)
Projected traffic1,000 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is Csah 1 over Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Csah 1 over Ditch carry?

About 859 vehicles per day (2021 count).

How long is Csah 1 over Ditch?

The structure is 74 ft (22.7 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns Csah 1 over Ditch?

It is owned by the County Highway Agency.