US Bridges

T 123 over S Fk Watonwan River

Good

Cottonwood County, Minnesota · 1.0 MI S of JCT Csah 13 · Structure no. 17J30

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
49
2007 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 123 over S Fk Watonwan River is a concrete culvert carrying T 123 over S Fk Watonwan River in Cottonwood County, Minnesota. It was built in 2009, so it is 16 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 49 vehicles a day, projected to reach 49 by 2029. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 123
CrossesS Fk Watonwan River
Location1.0 MI S of JCT Csah 13
RouteCounty Highway 123
Coordinates43.86218, -94.89948
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length36 ft (10.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2007)
Projected traffic49 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 S Fk Watonwan River built?

It was built in 2009, making it 16 years old in 2025.

What condition is T 123 over S Fk Watonwan 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 October 2023.

How much traffic does T 123 over S Fk Watonwan River carry?

About 49 vehicles per day (2007 count).

How long is T 123 over S Fk Watonwan River?

The structure is 36 ft (10.9 m) long with a longest span of 12 ft (3.7 m).

Who owns T 123 over S Fk Watonwan River?

It is owned by the Town or Township Highway Agency.