US Bridges

Csah 8 over N Fk Bear Creek

Fair

Mower County, Minnesota · 0.1 MI N of JCT Csah 2 · Structure no. 50520

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Prestressed Concrete
Length
75 ft
3 main spans
Daily traffic
1,500
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over N Fk Bear Creek is a prestressed concrete channel beam carrying Csah 8 over N Fk Bear Creek in Mower County, Minnesota. It was built in 1970, so it is 55 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 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 1,500 vehicles a day, projected to reach 1,500 by 2039. The structure is 75 ft (22.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 8
CrossesN Fk Bear Creek
Location0.1 MI N of JCT Csah 2
RouteCounty Highway 8
CountyMower County
StateMinnesota
Coordinates43.74182, -92.56976
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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
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 rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span25 ft (7.7 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2016)
Projected traffic1,500 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 8 over N Fk Bear Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Csah 8 over N Fk Bear 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 2023.

How much traffic does Csah 8 over N Fk Bear Creek carry?

About 1,500 vehicles per day (2016 count).

How long is Csah 8 over N Fk Bear Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.7 m) and a deck 32 ft wide.

Who owns Csah 8 over N Fk Bear Creek?

It is owned by the County Highway Agency.