US Bridges

T 146 over Ditch

Good

Mower County, Minnesota · 0.2 MI N of JCT Csah 1 · Structure no. 50J72

Built
2004
21 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
34
2003 count
Owner
County
County Highway Agency

About this bridge

T 146 over Ditch is a concrete culvert carrying T 146 over Ditch in Mower County, Minnesota. It was built in 2004, so it is 21 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 34 vehicles a day, projected to reach 34 by 2029. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 146
CrossesDitch
Location0.2 MI N of JCT Csah 1
RouteCounty Highway 146
Coordinates43.82093, -93.01016
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2003)
Projected traffic34 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T 146 over Ditch built?

It was built in 2004, making it 21 years old in 2025.

What condition is T 146 over Ditch 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 June 2021.

How much traffic does T 146 over Ditch carry?

About 34 vehicles per day (2003 count).

How long is T 146 over Ditch?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns T 146 over Ditch?

It is owned by the County Highway Agency.