US Bridges

Csah 5 over Big Cottonwood River

Fair

Brown County, Minnesota · 0.4 MI S of JCT TH 14 · Structure no. 08534

Built
1989
36 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
326 ft
5 main spans
Daily traffic
957
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 5 over Big Cottonwood River is a prestressed concrete stringer/multi-beam or girder carrying Csah 5 over Big Cottonwood River in Brown County, Minnesota. It was built in 1989, so it is 36 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 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 957 vehicles a day, projected to reach 1,250 by 2042. The structure is 326 ft (99.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 5
CrossesBig Cottonwood River
Location0.4 MI S of JCT TH 14
RouteCounty Highway 5
CountyBrown County
StateMinnesota
Coordinates44.23838, -94.96717
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.7 US tons
Inventory rating39.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length326 ft (99.5 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic957 (2022)
Projected traffic1,250 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 5 over Big Cottonwood River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Csah 5 over Big Cottonwood River 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 November 2023.

How much traffic does Csah 5 over Big Cottonwood River carry?

About 957 vehicles per day (2022 count).

How long is Csah 5 over Big Cottonwood River?

The structure is 326 ft (99.5 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns Csah 5 over Big Cottonwood River?

It is owned by the County Highway Agency.