US Bridges

Csah 3 over Mid Fk Zumbro River

PoorPosted for load

Olmsted County, Minnesota · 0.5 MI N of JCT Csah 5 · Structure no. 7212

Built
1959
66 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
3 main spans
Daily traffic
3,000
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Mid Fk Zumbro River is a steel stringer/multi-beam or girder carrying Csah 3 over Mid Fk Zumbro River in Olmsted County, Minnesota. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 3,000 vehicles a day, projected to reach 2,819 by 2038. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCsah 3
CrossesMid Fk Zumbro River
Location0.5 MI N of JCT Csah 5
RouteCounty Highway 3
Coordinates44.19287, -92.6486
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length128 ft (39 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2018)
Projected traffic2,819 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Mid Fk Zumbro River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Csah 3 over Mid Fk Zumbro 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 May 2024.

How much traffic does Csah 3 over Mid Fk Zumbro River carry?

About 3,000 vehicles per day (2018 count).

How long is Csah 3 over Mid Fk Zumbro River?

The structure is 128 ft (39 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns Csah 3 over Mid Fk Zumbro River?

It is owned by the County Highway Agency.