US Bridges

T 250 over Ditch

FairPosted for load

Mower County, Minnesota · 0.5 MI E of JCT TH 218 · Structure no. 2476

Built
1917
108 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
20
1986 count
Owner
County
County Highway Agency

About this bridge

T 250 over Ditch is a concrete slab carrying T 250 over Ditch in Mower County, Minnesota. It was built in 1917, so it is 108 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 22 ft (6.8 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 250
CrossesDitch
Location0.5 MI E of JCT TH 218
RouteCounty Highway 250
Coordinates43.83371, -93.0168
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating15.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span20 ft (6.2 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1986)
Projected traffic20 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$200 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 250 over Ditch built?

It was built in 1917, making it 108 years old in 2025.

What condition is T 250 over Ditch 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 June 2024.

How much traffic does T 250 over Ditch carry?

About 20 vehicles per day (1986 count).

How long is T 250 over Ditch?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.2 m) and a deck 25 ft wide.

Who owns T 250 over Ditch?

It is owned by the County Highway Agency.