Road Stream Crossing Site TBW_TBMO71
Thunder Bay River Watershed, Miller Creek
Hunt Road
Hillman Twp,
Montmorency County
Information collected by:
Site Location
GPS Coordinates: 45.04374
, -84.0456
T31N
R3E
Sec 27
Owned by Private
State
State
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 7.8512 tons/year
Severity: Severe
Year Inventoried: 2017
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: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 44 ft.
, Width 4 ft.
, Height 4 ft.
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.4 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Additional Comments
CULVERT RUSTED THROUGH ON TOP OF RD
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 11 ft.
, Width 13 ft.
, Depth 1.5 ft.
Upstream Pond: Length 30 ft.
, Width 60 ft.
Riffle Information
Water Depth: 0.9 ft.
Bankfull Width: 16 ft.
Wetted Width: 14 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.5 ft.
Slope: 1:2
Downstream
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.9256 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.9256 tons/year
Erosion Information
Total Erosion at Crossing: 7.8512 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
VELOCITY