US Bridges

Csah 9 over CO Ditch # 56

Good

Blue Earth County, Minnesota · 0.1 MI E of JCT Csah 76 · Structure no. 95346

Built
1990
35 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,300
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over CO Ditch # 56 is a concrete culvert carrying Csah 9 over CO Ditch # 56 in Blue Earth County, Minnesota. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, projected to reach 1,150 by 2041. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 9
CrossesCO Ditch # 56
Location0.1 MI E of JCT Csah 76
RouteCounty Highway 9
Coordinates44.10136, -94.21563
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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum 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 loadUnknown
Structure length27 ft (8.1 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2021)
Projected traffic1,150 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 9 over CO Ditch # 56 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Csah 9 over CO Ditch # 56 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 2023.

How much traffic does Csah 9 over CO Ditch # 56 carry?

About 1,300 vehicles per day (2021 count).

How long is Csah 9 over CO Ditch # 56?

The structure is 27 ft (8.1 m) long with a longest span of 13 ft (4.1 m).

Who owns Csah 9 over CO Ditch # 56?

It is owned by the County Highway Agency.