US Bridges

T 67 over Outlet Big Birch Lake

Fair

Todd County, Minnesota · 1.3 MI SW of JCT Csah 2 · Structure no. 97208

Built
1992
33 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
56
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 67 over Outlet Big Birch Lake is a concrete culvert carrying T 67 over Outlet Big Birch Lake in Todd County, Minnesota. It was built in 1992, so it is 33 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 56 vehicles a day, projected to reach 56 by 2029. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 67
CrossesOutlet Big Birch Lake
Location1.3 MI SW of JCT Csah 2
RouteCounty Highway 67
Coordinates45.78262, -94.77734
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
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 spans2
Design loadHS 25 or greater
Structure length22 ft (6.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (1992)
Projected traffic56 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 67 over Outlet Big Birch Lake built?

It was built in 1992, making it 33 years old in 2025.

What condition is T 67 over Outlet Big Birch Lake 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 September 2022.

How much traffic does T 67 over Outlet Big Birch Lake carry?

About 56 vehicles per day (1992 count).

How long is T 67 over Outlet Big Birch Lake?

The structure is 22 ft (6.6 m) long with a longest span of 8 ft (2.4 m).

Who owns T 67 over Outlet Big Birch Lake?

It is owned by the Town or Township Highway Agency.