US Bridges

Csah 7 over Little Cedar River

Poor

Mower County, Minnesota · 0.1 MI S of JCT TH 56 · Structure no. 50536

Built
1975
50 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
1,300
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Little Cedar River is a prestressed concrete channel beam carrying Csah 7 over Little Cedar River in Mower County, Minnesota. It was built in 1975, so it is 50 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 4 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.

It carries about 1,300 vehicles a day, projected to reach 1,300 by 2039. The structure is 81 ft (24.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 7
CrossesLittle Cedar River
Location0.1 MI S of JCT TH 56
RouteCounty Highway 7
Coordinates43.56331, -92.71926
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.2 US tons
Inventory rating35.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span31 ft (9.4 m)
Deck width50 ft (15.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2012)
Projected traffic1,300 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 7 over Little Cedar River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Csah 7 over Little Cedar River 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 Little Cedar River carry?

About 1,300 vehicles per day (2012 count).

How long is Csah 7 over Little Cedar River?

The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.4 m) and a deck 50 ft wide.

Who owns Csah 7 over Little Cedar River?

It is owned by the County Highway Agency.