Road Stream Crossing Site TBW_TBAC166
Thunder Bay River Watershed, Sucker Creek
Hubbard Lake Road
Alcona Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.77354
, -83.52169
T28N
R8E
Sec 31
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 1.9653 tons/year
Severity: Moderate
Year Inventoried: 2017
Site ID
Inlet
Outlet
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 29 ft.
, Width 26.5 ft.
, Height 8 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 3.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 1.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 2.1 ft.
Bankfull Width: 48 ft.
Wetted Width: 46 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 29 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.9653 tons/year
Right Approach
Length: 0 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 0.54
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 1.9653 tons/year
Extent of Erosion: Stabilized
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Spotted Knapweed and Queen Anne's Lace