US Bridges

CR B over Mid Fk Zumbro River

Good

Dodge County, Minnesota · 0.4 MI E of JCT TH 56 · Structure no. 20550

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
51
2021 count
Owner
County
County Highway Agency

About this bridge

CR B over Mid Fk Zumbro River is a concrete continuous slab carrying CR B over Mid Fk Zumbro River in Dodge County, Minnesota. It was built in 2001, so it is 24 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 51 vehicles a day, projected to reach 45 by 2041. The structure is 100 ft (30.6 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR B
CrossesMid Fk Zumbro River
Location0.4 MI E of JCT TH 56
RouteCounty Highway 0B
Coordinates44.17524, -92.89673
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 rating94.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length100 ft (30.6 m)
Longest span38 ft (11.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2021)
Projected traffic45 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 CR B over Mid Fk Zumbro River built?

It was built in 2001, making it 24 years old in 2025.

What condition is CR B over Mid 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 September 2023.

How much traffic does CR B over Mid Fk Zumbro River carry?

About 51 vehicles per day (2021 count).

How long is CR B over Mid Fk Zumbro River?

The structure is 100 ft (30.6 m) long with a longest span of 38 ft (11.6 m) and a deck 35 ft wide.

Who owns CR B over Mid Fk Zumbro River?

It is owned by the County Highway Agency.