US Bridges

Csah 6 over Sleepy Eye Creek

Fair

Redwood County, Minnesota · 0.2 MI N of JCT Csah 4 · Structure no. 64509

Built
1964
61 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
69 ft
3 main spans
Daily traffic
960
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 6 over Sleepy Eye Creek is a prestressed concrete channel beam carrying Csah 6 over Sleepy Eye Creek in Redwood County, Minnesota. It was built in 1964, so it is 61 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 960 vehicles a day, projected to reach 880 by 2039. The structure is 69 ft (21 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 6
CrossesSleepy Eye Creek
Location0.2 MI N of JCT Csah 4
RouteCounty Highway 6
Coordinates44.32823, -95.26869
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2019)
Projected traffic880 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 Sleepy Eye Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Csah 6 over Sleepy Eye Creek 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 November 2024.

How much traffic does Csah 6 over Sleepy Eye Creek carry?

About 960 vehicles per day (2019 count).

How long is Csah 6 over Sleepy Eye Creek?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Csah 6 over Sleepy Eye Creek?

It is owned by the County Highway Agency.