US Bridges

Csah 10 over N Br Zumbro River

Fair

Goodhue County, Minnesota · 0.9 MI E of JCT Csah 4 · Structure no. 25512

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
206 ft
3 main spans
Daily traffic
690
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 10 over N Br Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying Csah 10 over N Br Zumbro River in Goodhue County, Minnesota. It was built in 1971, so it is 54 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 690 vehicles a day, projected to reach 690 by 2039. The structure is 206 ft (62.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 10
CrossesN Br Zumbro River
Location0.9 MI E of JCT Csah 4
RouteCounty Highway 10
CountyGoodhue County
StateMinnesota
Coordinates44.29342, -92.62272
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating40.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length206 ft (62.9 m)
Longest span67 ft (20.5 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2015)
Projected traffic690 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 10 over N Br Zumbro River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 10 over N Br Zumbro 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 September 2023.

How much traffic does Csah 10 over N Br Zumbro River carry?

About 690 vehicles per day (2015 count).

How long is Csah 10 over N Br Zumbro River?

The structure is 206 ft (62.9 m) long with a longest span of 67 ft (20.5 m) and a deck 31 ft wide.

Who owns Csah 10 over N Br Zumbro River?

It is owned by the County Highway Agency.