US Bridges

Csah 1 over S Br Mid Fk Zumbro River

Fair

Dodge County, Minnesota · 1.7 MI S of JCT Csah 20 · Structure no. 91587

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
1,000
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over S Br Mid Fk Zumbro River is a concrete culvert carrying Csah 1 over S Br Mid Fk Zumbro River in Dodge County, Minnesota. It was built in 1978, so it is 47 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 1,000 vehicles a day, projected to reach 1,000 by 2039. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesS Br Mid Fk Zumbro River
Location1.7 MI S of JCT Csah 20
RouteCounty Highway 1
CountyDodge County
StateMinnesota
Coordinates44.08468, -93.00597
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,000 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1 over S Br Mid Fk Zumbro River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 1 over S Br Mid 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 July 2024.

How much traffic does Csah 1 over S Br Mid Fk Zumbro River carry?

About 1,000 vehicles per day (2017 count).

How long is Csah 1 over S Br Mid Fk Zumbro River?

The structure is 52 ft (15.9 m) long with a longest span of 13 ft (3.9 m).

Who owns Csah 1 over S Br Mid Fk Zumbro River?

It is owned by the County Highway Agency.