US Bridges

T 91 over CO Ditch #22

Fair

Kittson County, Minnesota · 1.0 MI S of JCT Csah 6 · Structure no. L4364

Built
1926
99 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
4
1989 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 91 over CO Ditch #22 is a steel stringer/multi-beam or girder carrying T 91 over CO Ditch #22 in Kittson County, Minnesota. It was built in 1926, so it is 99 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 4 vehicles a day, projected to reach 4 by 2029. The structure is 39 ft (11.8 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesT 91
CrossesCO Ditch #22
Location1.0 MI S of JCT Csah 6
RouteCounty Highway 91
CountyKittson County
StateMinnesota
Coordinates48.90516, -96.96397
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating62.8 US tons
Inventory rating37.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.8 m)
Longest span36 ft (11 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (1989)
Projected traffic4 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$86 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 91 over CO Ditch #22 built?

It was built in 1926, making it 99 years old in 2025.

What condition is T 91 over CO Ditch #22 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 91 over CO Ditch #22 carry?

About 4 vehicles per day (1989 count).

How long is T 91 over CO Ditch #22?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (11 m) and a deck 18 ft wide.

Who owns T 91 over CO Ditch #22?

It is owned by the Town or Township Highway Agency.