US Bridges

Csah 13 over CO Ditch # 24

Fair

Redwood County, Minnesota · 0.2 MI N of JCT CR 68 · Structure no. 92172

Built
1966
59 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
64 ft
2 main spans
Daily traffic
1,000
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 13 over CO Ditch # 24 is a prestressed concrete channel beam carrying Csah 13 over CO Ditch # 24 in Redwood County, Minnesota. It was built in 1966, so it is 59 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.

It carries about 1,000 vehicles a day, projected to reach 890 by 2039. The structure is 64 ft (19.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 13
CrossesCO Ditch # 24
Location0.2 MI N of JCT CR 68
RouteCounty Highway 13
CountyRedwood County
StateMinnesota
Coordinates44.36568, -94.98669
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.3 US tons
Inventory rating37.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length64 ft (19.4 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic890 by 2039
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 13 over CO Ditch # 24 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Csah 13 over CO Ditch # 24 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 2023.

How much traffic does Csah 13 over CO Ditch # 24 carry?

About 1,000 vehicles per day (2019 count).

How long is Csah 13 over CO Ditch # 24?

The structure is 64 ft (19.4 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Csah 13 over CO Ditch # 24?

It is owned by the County Highway Agency.