US Bridges

Csah 7 over Stream

PoorPosted for load

Mower County, Minnesota · 2.1 MI N of JCT Csah 2 · Structure no. 50514

Built
1967
58 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
285
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Stream is a prestressed concrete channel beam carrying Csah 7 over Stream in Mower County, Minnesota. It was built in 1967, so it is 58 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 285 vehicles a day, projected to reach 285 by 2039. The structure is 81 ft (24.8 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 7
CrossesStream
Location2.1 MI N of JCT Csah 2
RouteCounty Highway 7
Coordinates43.76101, -92.72249
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating15.4 US tons
Inventory rating5.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length81 ft (24.8 m)
Longest span31 ft (9.4 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic285 (2016)
Projected traffic285 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 7 over Stream built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 7 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 September 2024.

How much traffic does Csah 7 over Stream carry?

About 285 vehicles per day (2016 count).

How long is Csah 7 over Stream?

The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.4 m) and a deck 35 ft wide.

Who owns Csah 7 over Stream?

It is owned by the County Highway Agency.