US Bridges

Csah 26 over S Fk Zumbro River

Fair

Olmsted County, Minnesota · 1.6 MI W of JCT Csah 3 · Structure no. 55511

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
139 ft
3 main spans
Daily traffic
450
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 26 over S Fk Zumbro River is a steel continuous stringer/multi-beam or girder carrying Csah 26 over S Fk Zumbro River in Olmsted County, Minnesota. It was built in 1964, so it is 61 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 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 450 vehicles a day, projected to reach 384 by 2038. The structure is 139 ft (42.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 26
CrossesS Fk Zumbro River
Location1.6 MI W of JCT Csah 3
RouteCounty Highway 26
Coordinates43.92131, -92.67142
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length139 ft (42.4 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2018)
Projected traffic384 by 2038
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$498 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 26 over S Fk Zumbro River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Csah 26 over S Fk 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 November 2023.

How much traffic does Csah 26 over S Fk Zumbro River carry?

About 450 vehicles per day (2018 count).

How long is Csah 26 over S Fk Zumbro River?

The structure is 139 ft (42.4 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns Csah 26 over S Fk Zumbro River?

It is owned by the County Highway Agency.