US Bridges

Csah 4 over Little Cedar River

Good

Mower County, Minnesota · 2.9 MI E of JCT Mn 56 · Structure no. 50K86

Built
2021
4 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
340
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Little Cedar River is a concrete culvert carrying Csah 4 over Little Cedar River in Mower County, Minnesota. It was built in 2021, so it is 4 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 340 vehicles a day, projected to reach 340 by 2032. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 4
CrossesLittle Cedar River
Location2.9 MI E of JCT Mn 56
RouteCounty Highway 4
Coordinates43.60131, -92.76372
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 protection9 ExcellentNo problems noted.
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 length26 ft (8 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 traffic340 (2012)
Projected traffic340 by 2032
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 4 over Little Cedar River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Csah 4 over Little Cedar River 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 4 over Little Cedar River carry?

About 340 vehicles per day (2012 count).

How long is Csah 4 over Little Cedar River?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 4 over Little Cedar River?

It is owned by the County Highway Agency.