US Bridges

Csah 1 over Sleepy Eye Creek

FairPosted for load

Redwood County, Minnesota · 0.3 MI S of JCT Csah 4 · Structure no. 4067

Built
1923
102 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
290
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Sleepy Eye Creek is a steel stringer/multi-beam or girder carrying Csah 1 over Sleepy Eye Creek in Redwood County, Minnesota. It was built in 1923, so it is 102 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. Its operating status is: posted for load restriction.

It carries about 290 vehicles a day, projected to reach 300 by 2039. The structure is 44 ft (13.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesSleepy Eye Creek
Location0.3 MI S of JCT Csah 4
RouteCounty Highway 1
CountyRedwood County
StateMinnesota
Coordinates44.33602, -95.04691
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.5 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length44 ft (13.5 m)
Longest span43 ft (13.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2019)
Projected traffic300 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$250 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over Sleepy Eye Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Csah 1 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 October 2023.

How much traffic does Csah 1 over Sleepy Eye Creek carry?

About 290 vehicles per day (2019 count).

How long is Csah 1 over Sleepy Eye Creek?

The structure is 44 ft (13.5 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.

Who owns Csah 1 over Sleepy Eye Creek?

It is owned by the County Highway Agency.