US Bridges

Csah 12 over CO Ditch # 20

Good

Murray County, Minnesota · 0.7 MI E of JCT Csah 28 · Structure no. 96625

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
220
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over CO Ditch # 20 is a concrete culvert carrying Csah 12 over CO Ditch # 20 in Murray County, Minnesota. It was built in 1988, so it is 37 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 220 vehicles a day, projected to reach 220 by 2039. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 12
CrossesCO Ditch # 20
Location0.7 MI E of JCT Csah 28
RouteCounty Highway 12
Coordinates44.08769, -95.89913
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2017)
Projected traffic220 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 12 over CO Ditch # 20 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Csah 12 over CO Ditch # 20 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 October 2023.

How much traffic does Csah 12 over CO Ditch # 20 carry?

About 220 vehicles per day (2017 count).

How long is Csah 12 over CO Ditch # 20?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3.1 m).

Who owns Csah 12 over CO Ditch # 20?

It is owned by the County Highway Agency.