Road Stream Crossing Site BC-2

Maple River Watershed, Beavertail Creek
Unknown
Munro Twp, Cheboygan County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.59095 , -84.650781
T37N R03W Sec 23
Fish Passability 0.9
Total Erosion: 6.5372 tons/year
Severity: Severe
Year Inventoried: 2015
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
2 ft.
2.4 ft.
2 ft.
Metal
2
2 ft.
2.4 ft.
2 ft.
Metal
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 29 ft. , Width 24 ft. , Height 24 ft.
Percentage Plugged: Inlet: 1% to 25%
Structure Inlet
Water Depth: 0.83 ft.
Embedded Depth of Structure: 0.25 ft.
Water Velocity*: 0.38 ft./sec.
Structure Outlet
Water Depth: 0.33 ft.
Embedded Depth of Structure: 0.08 ft.
Water Velocity*: 0.77 ft./sec.
*Water Velocities were measured 0.33 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Upstream Pond: Length 0.42 ft. , Width 3 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 6.67 ft.
Wetted Width: 4.83 ft.
Water Velocity: 0.3 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: Roadway
Embankments
Upstream
Fill Depth: 1.33 ft.
Slope: 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 100 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0289 tons/year
Right Approach
Length: 500 ft.
Slope: 6% to 10%
Vegetation: Partial
LS Factor: 2.25
Erosion: 6.5083 tons/year
Erosion Information
Total Erosion at Crossing: 6.5372 tons/year
Notes: none
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Deadly nightshade