US Bridges

T 156 over Cobb Creek

Good

Lac qui Parle County, Minnesota · 0.28 MI S JCT Csah 12 · Structure no. 37J54

Built
2007
18 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 156 over Cobb Creek is a concrete culvert carrying T 156 over Cobb Creek in Lac qui Parle County, Minnesota. It was built in 2007, so it is 18 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1 vehicles a day, projected to reach 1 by 2029. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 156
CrossesCobb Creek
Location0.28 MI S JCT Csah 12
RouteCounty Highway 156
Coordinates44.88812, -96.33821
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2009)
Projected traffic1 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 156 over Cobb Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is T 156 over Cobb Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does T 156 over Cobb Creek carry?

About 1 vehicles per day (2009 count).

How long is T 156 over Cobb Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns T 156 over Cobb Creek?

It is owned by the Town or Township Highway Agency.