US Bridges

Csah 8 over Deer Creek

Fair

Fillmore County, Minnesota · 1.0 MI SE of JCT Csah 4 · Structure no. 23528

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
119 ft
3 main spans
Daily traffic
1,550
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Deer Creek is a prestressed concrete tee beam carrying Csah 8 over Deer Creek in Fillmore 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 1,550 vehicles a day, projected to reach 1,550 by 2039. The structure is 119 ft (36.4 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 8
CrossesDeer Creek
Location1.0 MI SE of JCT Csah 4
RouteCounty Highway 8
CountyFillmore County
StateMinnesota
Coordinates43.72924, -92.41432
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length119 ft (36.4 m)
Longest span39 ft (12 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2013)
Projected traffic1,550 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Deer Creek built?

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

What condition is Csah 8 over Deer 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 March 2023.

How much traffic does Csah 8 over Deer Creek carry?

About 1,550 vehicles per day (2013 count).

How long is Csah 8 over Deer Creek?

The structure is 119 ft (36.4 m) long with a longest span of 39 ft (12 m) and a deck 36 ft wide.

Who owns Csah 8 over Deer Creek?

It is owned by the County Highway Agency.