Road Stream Crossing Site TBW_TBMO15
Thunder Bay River Watershed, Webber Creek tributary
Cohoon Road
Rust Twp,
Montmorency County
Information collected by:
Site Location
GPS Coordinates: 44.98726
, -83.93993
T30N
R4E
Sec 15
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.4162 tons/year
Severity: Moderate
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: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 134 ft.
, Width 2.1 ft.
, Height 2.1 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 2.6 ft.
Wetted Width: 1.2 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 14 ft.
Slope: More than 1:2
Downstream
Fill Depth: 17 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 510 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.644
Erosion: 0.2389 tons/year
Right Approach
Length: 405 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.602
Erosion: 0.1773 tons/year
Erosion Information
Total Erosion at Crossing: 0.4162 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5
Fish Passage is an area of concern for this site.
FISH BARRIER BUT NOT A PRIORITY SITE (UPSTREAM REACHES ARE NON-DESIRABLE AND ONLY A HALF MILE AT MOST BEFORE DRYING UP)
A future visit to this site is recommended. FISH PASSAGE