US Bridges

T 139 over CO Ditch # 8

Fair

Kandiyohi County, Minnesota · 0.6 MI E of JCT Csah 5 · Structure no. L9731

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
40
1974 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 139 over CO Ditch # 8 is a concrete culvert carrying T 139 over CO Ditch # 8 in Kandiyohi 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 40 vehicles a day, projected to reach 40 by 2029. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 139
CrossesCO Ditch # 8
Location0.6 MI E of JCT Csah 5
RouteCounty Highway 139
Coordinates44.94991, -95.08958
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1974)
Projected traffic40 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 139 over CO Ditch # 8 built?

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

What condition is T 139 over CO Ditch # 8 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 139 over CO Ditch # 8 carry?

About 40 vehicles per day (1974 count).

How long is T 139 over CO Ditch # 8?

The structure is 36 ft (11 m) long with a longest span of 14 ft (4.3 m).

Who owns T 139 over CO Ditch # 8?

It is owned by the Town or Township Highway Agency.