US Bridges

T 123 over N Br Zumbro River

Good

Wabasha County, Minnesota · 0.2 MI W of JCT Csah 7 · Structure no. 79517

Built
1978
47 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
215 ft
3 main spans
Daily traffic
50
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 123 over N Br Zumbro River is a prestressed concrete stringer/multi-beam or girder carrying T 123 over N Br Zumbro River in Wabasha 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 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 215 ft (65.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 123
CrossesN Br Zumbro River
Location0.2 MI W of JCT Csah 7
RouteCounty Highway 123
Coordinates44.25679, -92.49407
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span70 ft (21.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1986)
Projected traffic50 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 N Br Zumbro River built?

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

What condition is T 123 over N Br 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 2024.

How much traffic does T 123 over N Br Zumbro River carry?

About 50 vehicles per day (1986 count).

How long is T 123 over N Br Zumbro River?

The structure is 215 ft (65.5 m) long with a longest span of 70 ft (21.4 m) and a deck 31 ft wide.

Who owns T 123 over N Br Zumbro River?

It is owned by the Town or Township Highway Agency.