Road Stream Crossing Site TBW_TBMO66

Thunder Bay River Watershed, Greasy Creek tributary
Abbe Road
Loud Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.86459 , -84.05122
T29N R3E Sec 35
Owned by State
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 2.3134 tons/year
Severity: Moderate
Year Inventoried: 2017
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: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft. , Width 2.1 ft. , Height 2.1 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.65 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 5.4 ft. , Width 7.2 ft. , Depth 2.4 ft.
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 6 ft.
Wetted Width: 3.4 ft.
Water Velocity: 0.5 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 2.4 ft.
Slope: More than 1:2
Fill Depth: 2.2 ft.
Slope: More than 1:2
Left Approach
Length: 232 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.436
Erosion: 0.5857 tons/year
Right Approach
Length: 579 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.516
Erosion: 1.7277 tons/year
Erosion Information
Total Erosion at Crossing: 2.3134 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0.5