US Bridges

T 124 over N Fk Watonwan River

Fair

Cottonwood County, Minnesota · 2.2 MI N of JCT TH 30 · Structure no. R0031

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
21
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 124 over N Fk Watonwan River is a steel culvert carrying T 124 over N Fk Watonwan River in Cottonwood County, Minnesota. It was built in 1975, so it is 50 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 21 vehicles a day, projected to reach 21 by 2029. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 124
CrossesN Fk Watonwan River
Location2.2 MI N of JCT TH 30
RouteCounty Highway 124
Coordinates44.08292, -94.89989
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.3 US tons
Inventory rating20.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (1986)
Projected traffic21 by 2029
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

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$370 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 124 over N Fk Watonwan River built?

It was built in 1975, making it 50 years old in 2025.

What condition is T 124 over N Fk Watonwan River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does T 124 over N Fk Watonwan River carry?

About 21 vehicles per day (1986 count).

How long is T 124 over N Fk Watonwan River?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns T 124 over N Fk Watonwan River?

It is owned by the Town or Township Highway Agency.