US Bridges

Csah 8 over Deer Creek

Fair

Mower County, Minnesota · 0.8 MI N JCT Csah 13 · Structure no. 50J99

Built
2008
17 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
55 ft
4 main spans
Daily traffic
760
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Deer Creek is a concrete culvert carrying Csah 8 over Deer Creek in Mower County, Minnesota. It was built in 2008, so it is 17 years old, younger 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 5 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 760 vehicles a day, roughly 10% of them trucks, projected to reach 760 by 2039. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCsah 8
CrossesDeer Creek
Location0.8 MI N JCT Csah 13
RouteCounty Highway 8
CountyMower County
StateMinnesota
Coordinates43.69001, -92.5697
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2016)
Projected traffic760 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 2008, making it 17 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 July 2024.

How much traffic does Csah 8 over Deer Creek carry?

About 760 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Csah 8 over Deer Creek?

The structure is 55 ft (16.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 8 over Deer Creek?

It is owned by the County Highway Agency.