US Bridges

Csah 1 over Cd #71

Good

Freeborn County, Minnesota · 0.7 MI W of JCT Csah 32 · Structure no. 24J22

Built
2018
7 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
550
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Cd #71 is a concrete culvert carrying Csah 1 over Cd #71 in Freeborn County, Minnesota. It was built in 2018, so it is 7 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 550 vehicles a day, projected to reach 520 by 2037. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 1
CrossesCd #71
Location0.7 MI W of JCT Csah 32
RouteCounty Highway 1
Coordinates43.51411, -93.14281
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 inspectionDecember 2024
Inspection intervalevery 24 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 length33 ft (10.2 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2017)
Projected traffic520 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1 over Cd #71 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Csah 1 over Cd #71 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 December 2024.

How much traffic does Csah 1 over Cd #71 carry?

About 550 vehicles per day (2017 count).

How long is Csah 1 over Cd #71?

The structure is 33 ft (10.2 m) long with a longest span of 15 ft (4.5 m).

Who owns Csah 1 over Cd #71?

It is owned by the County Highway Agency.