US Bridges

Csah 4 over Stream

PoorPosted for load

Cottonwood County, Minnesota · 0.8 MI N of JCT Csah 10 · Structure no. 89509

Built
1954
71 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
110
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Stream is a steel stringer/multi-beam or girder carrying Csah 4 over Stream in Cottonwood County, Minnesota. It was built in 1954, so it is 71 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, projected to reach 115 by 2041. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 4
CrossesStream
Location0.8 MI N of JCT Csah 10
RouteCounty Highway 4
CountyCottonwood County
StateMinnesota
Coordinates44.13419, -95.20137
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18 US tons
Inventory rating10.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2021)
Projected traffic115 by 2041
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$500 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 4 over Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is Csah 4 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Csah 4 over Stream carry?

About 110 vehicles per day (2021 count).

How long is Csah 4 over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Csah 4 over Stream?

It is owned by the County Highway Agency.