Road Stream Crossing Site TBW_TBMO38

Thunder Bay River Watershed, Haymeadow Creek
Decheau Road
Briley Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.03082 , -84.18345
T31N R2E Sec 34
Owned by State
Fish Passability 0
Perch Height: 0.7 ft.
Total Erosion: 0.0031 tons/year
Severity: Severe
Year Inventoried: 2017
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Dam
Structure Shape: Square/Rectangle
Inlet Type: Headwall
Outlet Type: Outlet Apron
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 16 ft. , Width 6 ft. , Height 4.8 ft.
Perch Height: 0.7 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0.05 ft.
Water Velocity*: 3.5 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.9 ft.
Bankfull Width: 6.2 ft.
Wetted Width: 4 ft.
Water Velocity: 0.7 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 13 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: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 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: 0.0031 tons/year
Extent of Erosion: Minor
Notes: Dam is eroding
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Embankment
2 ft.
1.4 ft.
1.4 ft.
yes
Sand
0.0031
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. DAM
These non-native species were observerd at this site: Spotted Knapweed