US Bridges

Csah 7 over CO Ditch # 20

Good

Le Sueur County, Minnesota · 0.2 MI N of JCT Csah 12 · Structure no. 40J28

Built
2017
8 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
485
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over CO Ditch # 20 is a concrete culvert carrying Csah 7 over CO Ditch # 20 in Le Sueur County, Minnesota. It was built in 2017, so it is 8 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 485 vehicles a day, projected to reach 380 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesCO Ditch # 20
Location0.2 MI N of JCT Csah 12
RouteCounty Highway 7
CountyLe Sueur County
StateMinnesota
Coordinates44.25496, -93.66634
Functional classRural Minor 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 2021
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length23 ft (7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic485 (2021)
Projected traffic380 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 7 over CO Ditch # 20 built?

It was built in 2017, making it 8 years old in 2025.

What condition is Csah 7 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 2021.

How much traffic does Csah 7 over CO Ditch # 20 carry?

About 485 vehicles per day (2021 count).

How long is Csah 7 over CO Ditch # 20?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 7 over CO Ditch # 20?

It is owned by the County Highway Agency.