US Bridges

Csah 6 over Little Cedar River

Fair

Mower County, Minnesota · 0.6 MI E of JCT Csah 7 · Structure no. 50551

Built
1982
43 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
134 ft
3 main spans
Daily traffic
405
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Little Cedar River is a prestressed concrete tee beam carrying Csah 6 over Little Cedar River in Mower County, Minnesota. It was built in 1982, so it is 43 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 405 vehicles a day, projected to reach 405 by 2039. The structure is 134 ft (40.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 6
CrossesLittle Cedar River
Location0.6 MI E of JCT Csah 7
RouteCounty Highway 6
Coordinates43.51455, -92.75541
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating31.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length134 ft (40.9 m)
Longest span44 ft (13.5 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic405 (2016)
Projected traffic405 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 6 over Little Cedar River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Csah 6 over Little Cedar River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Csah 6 over Little Cedar River carry?

About 405 vehicles per day (2016 count).

How long is Csah 6 over Little Cedar River?

The structure is 134 ft (40.9 m) long with a longest span of 44 ft (13.5 m) and a deck 36 ft wide.

Who owns Csah 6 over Little Cedar River?

It is owned by the County Highway Agency.