US Bridges

T 123 over Mid Fk Zumbro River

Good

Dodge County, Minnesota · 0.1 MI S of JCT Csah 24 · Structure no. 20544

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
47
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 123 over Mid Fk Zumbro River is a concrete continuous slab carrying T 123 over Mid Fk Zumbro River in Dodge County, Minnesota. It was built in 1991, so it is 34 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 47 vehicles a day, projected to reach 47 by 2029. The structure is 125 ft (38.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 123
CrossesMid Fk Zumbro River
Location0.1 MI S of JCT Csah 24
RouteCounty Highway 123
Coordinates44.17675, -92.70892
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length125 ft (38.2 m)
Longest span48 ft (14.6 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (1993)
Projected traffic47 by 2029
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 123 over Mid Fk Zumbro River built?

It was built in 1991, making it 34 years old in 2025.

What condition is T 123 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 T 123 over Mid Fk Zumbro River carry?

About 47 vehicles per day (1993 count).

How long is T 123 over Mid Fk Zumbro River?

The structure is 125 ft (38.2 m) long with a longest span of 48 ft (14.6 m) and a deck 31 ft wide.

Who owns T 123 over Mid Fk Zumbro River?

It is owned by the Town or Township Highway Agency.