Road Stream Crossing Site TBW_TBAC116
Thunder Bay River Watershed, Little Wolf Creek
Hubbard Lake Trail
Mitchell Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.75537
, -83.78511
T27N
R5E
Sec 01
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 0.2185 tons/year
Severity: Severe
Year Inventoried: 2017
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 37 ft.
, Width 21 ft.
, Height 8.4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.1 ft./sec.
Structure Outlet
Water Depth: 1.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 3.2 ft.
Bankfull Width: 18 ft.
Wetted Width: 16 ft.
Water Velocity: 2 ft./sec.
(Measured with Meter)
Dominant Substrate: Clay
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 37 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 376 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.475
Erosion: 0.2185 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.2185 tons/year
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Baby's Breath, Spotted Knapweed, Mullein, Leafy Spurge