US Bridges

CR a over N Br Mid Fk Zumbro River

PoorPosted for load

Dodge County, Minnesota · 0.5 MI W of JCT Csah 7 · Structure no. 20516

Built
1978
47 years old
Condition
Poor
inspected September 2024
Type
Slab
Wood or Timber
Length
68 ft
3 main spans
Daily traffic
380
2020 count
Owner
County
County Highway Agency

About this bridge

CR a over N Br Mid Fk Zumbro River is a wood or timber slab carrying CR a over N 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 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 380 vehicles a day, projected to reach 315 by 2040. The structure is 68 ft (20.7 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR a
CrossesN Br Mid Fk Zumbro River
Location0.5 MI W of JCT Csah 7
RouteCounty Highway 0A
CountyDodge County
StateMinnesota
Coordinates44.19682, -92.8711
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating19.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2020)
Projected traffic315 by 2040
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$620 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR a over N Br Mid Fk Zumbro River built?

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

What condition is CR a over N Br 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 September 2024.

How much traffic does CR a over N Br Mid Fk Zumbro River carry?

About 380 vehicles per day (2020 count).

How long is CR a over N Br Mid Fk Zumbro River?

The structure is 68 ft (20.7 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns CR a over N Br Mid Fk Zumbro River?

It is owned by the County Highway Agency.