US Bridges

Csah 3 over S Br Zumbro River

Fair

Olmsted County, Minnesota · 0.1 MI N of JCT CR 126 · Structure no. 55543

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
144 ft
3 main spans
Daily traffic
600
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over S Br Zumbro River is a steel continuous stringer/multi-beam or girder carrying Csah 3 over S Br Zumbro River in Olmsted County, Minnesota. It was built in 1985, so it is 40 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 600 vehicles a day, projected to reach 574 by 2038. The structure is 144 ft (44 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCsah 3
CrossesS Br Zumbro River
Location0.1 MI N of JCT CR 126
RouteCounty Highway 3
CountyOlmsted County
StateMinnesota
Coordinates43.92439, -92.63798
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.3 US tons
Inventory rating36.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (44 m)
Longest span55 ft (16.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2018)
Projected traffic574 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 3 over S Br Zumbro River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Csah 3 over S 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 November 2024.

How much traffic does Csah 3 over S Br Zumbro River carry?

About 600 vehicles per day (2018 count).

How long is Csah 3 over S Br Zumbro River?

The structure is 144 ft (44 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.

Who owns Csah 3 over S Br Zumbro River?

It is owned by the County Highway Agency.