US Bridges

Csah 1 over CO Ditch # 22

FairPosted for load

Redwood County, Minnesota · 2.0 MI S of JCT TH 67 · Structure no. 2594

Built
1917
108 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Concrete
Length
32 ft
1 main span
Daily traffic
420
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over CO Ditch # 22 is a concrete girder and floorbeam system carrying Csah 1 over CO Ditch # 22 in Redwood County, Minnesota. It was built in 1917, so it is 108 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. Its operating status is: posted for load restriction.

It carries about 420 vehicles a day, projected to reach 470 by 2039. The structure is 32 ft (9.9 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesCO Ditch # 22
Location2.0 MI S of JCT TH 67
RouteCounty Highway 1
CountyRedwood County
StateMinnesota
Coordinates44.48193, -95.06791
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.4 US tons
Inventory rating27.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.9 m)
Longest span30 ft (9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2019)
Projected traffic470 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$181 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over CO Ditch # 22 built?

It was built in 1917, making it 108 years old in 2025.

What condition is Csah 1 over CO Ditch # 22 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 September 2023.

How much traffic does Csah 1 over CO Ditch # 22 carry?

About 420 vehicles per day (2019 count).

How long is Csah 1 over CO Ditch # 22?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9 m) and a deck 32 ft wide.

Who owns Csah 1 over CO Ditch # 22?

It is owned by the County Highway Agency.