US Bridges

Csah 1 over N Fk Zumbro River

Good

Goodhue County, Minnesota · 0.8 MI N of JCT TH 60 · Structure no. 25562

Built
1993
32 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
640
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over N Fk Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying Csah 1 over N Fk Zumbro River in Goodhue County, Minnesota. It was built in 1993, so it is 32 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 640 vehicles a day, projected to reach 650 by 2039. The structure is 166 ft (50.5 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 1
CrossesN Fk Zumbro River
Location0.8 MI N of JCT TH 60
RouteCounty Highway 1
Coordinates44.296, -92.87095
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length166 ft (50.5 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 traffic640 (2019)
Projected traffic650 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 N Fk Zumbro River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Csah 1 over N Fk Zumbro River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Csah 1 over N Fk Zumbro River carry?

About 640 vehicles per day (2019 count).

How long is Csah 1 over N Fk Zumbro River?

The structure is 166 ft (50.5 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.

Who owns Csah 1 over N Fk Zumbro River?

It is owned by the County Highway Agency.