US Bridges

T 106 over CO Ditch # 3

Fair

Jackson County, Minnesota · 0.3 MI N of JCT Csah 18 · Structure no. 32523

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
30
1988 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 106 over CO Ditch # 3 is a prestressed concrete tee beam carrying T 106 over CO Ditch # 3 in Jackson County, Minnesota. It was built in 1978, so it is 47 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 30 vehicles a day, projected to reach 30 by 2029. The structure is 46 ft (14.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 106
CrossesCO Ditch # 3
Location0.3 MI N of JCT Csah 18
RouteCounty Highway 106
Coordinates43.70718, -95.33546
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14.1 m)
Longest span44 ft (13.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1988)
Projected traffic30 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$97 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 106 over CO Ditch # 3 built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 106 over CO Ditch # 3 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 106 over CO Ditch # 3 carry?

About 30 vehicles per day (1988 count).

How long is T 106 over CO Ditch # 3?

The structure is 46 ft (14.1 m) long with a longest span of 44 ft (13.3 m) and a deck 33 ft wide.

Who owns T 106 over CO Ditch # 3?

It is owned by the Town or Township Highway Agency.