US Bridges

T 169 over CO Ditch # 66

Fair

Polk County, Minnesota · 1.7 MI S of JCT Csah 21 · Structure no. 97139

Built
1991
34 years old
Condition
Fair
inspected October 2021
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
3
1973 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 169 over CO Ditch # 66 is a concrete culvert carrying T 169 over CO Ditch # 66 in Polk County, Minnesota. It was built in 1991, so it is 34 years old, younger 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 3 vehicles a day, projected to reach 3 by 2029. The structure is 46 ft (14.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 169
CrossesCO Ditch # 66
Location1.7 MI S of JCT Csah 21
RouteCounty Highway 169
Coordinates47.99709, -96.76229
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length46 ft (14.1 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3 (1973)
Projected traffic3 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

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 169 over CO Ditch # 66 built?

It was built in 1991, making it 34 years old in 2025.

What condition is T 169 over CO Ditch # 66 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 2021.

How much traffic does T 169 over CO Ditch # 66 carry?

About 3 vehicles per day (1973 count).

How long is T 169 over CO Ditch # 66?

The structure is 46 ft (14.1 m) long with a longest span of 11 ft (3.5 m).

Who owns T 169 over CO Ditch # 66?

It is owned by the Town or Township Highway Agency.