US Bridges

T 21 over Ditch

Fair

Chippewa County, Minnesota · 0.3 MI W of CO Line · Structure no. L5993

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
15
1973 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 21 over Ditch is a wood or timber slab carrying T 21 over Ditch in Chippewa County, Minnesota. It was built in 1976, so it is 49 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 15 vehicles a day, projected to reach 15 by 2029. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT 21
CrossesDitch
Location0.3 MI W of CO Line
RouteCounty Highway 21
CountyChippewa County
StateMinnesota
Coordinates45.09441, -95.2516
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.3 US tons
Inventory rating45.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1973)
Projected traffic15 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 21 over Ditch built?

It was built in 1976, making it 49 years old in 2025.

What condition is T 21 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 October 2024.

How much traffic does T 21 over Ditch carry?

About 15 vehicles per day (1973 count).

How long is T 21 over Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns T 21 over Ditch?

It is owned by the Town or Township Highway Agency.