US Bridges

Csah 8 over Sleepy Eye Creek

Fair

Brown County, Minnesota · 2.0 MI S of JCT TH 14 · Structure no. 08511

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
144 ft
3 main spans
Daily traffic
574
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Sleepy Eye Creek is a steel continuous stringer/multi-beam or girder carrying Csah 8 over Sleepy Eye Creek in Brown County, Minnesota. It was built in 1968, so it is 57 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 574 vehicles a day, projected to reach 600 by 2042. The structure is 144 ft (44 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 8
CrossesSleepy Eye Creek
Location2.0 MI S of JCT TH 14
RouteCounty Highway 8
Coordinates44.25348, -94.80621
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating27.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length144 ft (44 m)
Longest span54 ft (16.5 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic574 (2022)
Projected traffic600 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 8 over Sleepy Eye Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 8 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 2024.

How much traffic does Csah 8 over Sleepy Eye Creek carry?

About 574 vehicles per day (2022 count).

How long is Csah 8 over Sleepy Eye Creek?

The structure is 144 ft (44 m) long with a longest span of 54 ft (16.5 m) and a deck 34 ft wide.

Who owns Csah 8 over Sleepy Eye Creek?

It is owned by the County Highway Agency.