US Bridges

CR 105 over S Br Mid Fk Zumbro River

Good

Olmsted County, Minnesota · 1.5 MI N of JCT Csah 4 · Structure no. 55565

Built
2002
23 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
410
2010 count
Owner
County
County Highway Agency

About this bridge

CR 105 over S Br Mid Fk Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying CR 105 over S Br Mid Fk Zumbro River in Olmsted County, Minnesota. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 410 vehicles a day, projected to reach 420 by 2030. The structure is 173 ft (52.7 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 105
CrossesS Br Mid Fk Zumbro River
Location1.5 MI N of JCT Csah 4
RouteCounty Highway 105
Coordinates44.08314, -92.64188
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length173 ft (52.7 m)
Longest span65 ft (19.8 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2010)
Projected traffic420 by 2030
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 105 over S Br Mid Fk Zumbro River built?

It was built in 2002, making it 23 years old in 2025.

What condition is CR 105 over S Br 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 November 2023.

How much traffic does CR 105 over S Br Mid Fk Zumbro River carry?

About 410 vehicles per day (2010 count).

How long is CR 105 over S Br Mid Fk Zumbro River?

The structure is 173 ft (52.7 m) long with a longest span of 65 ft (19.8 m) and a deck 39 ft wide.

Who owns CR 105 over S Br Mid Fk Zumbro River?

It is owned by the County Highway Agency.