Road Stream Crossing Site BL-87

Crooked River Watershed, Berry Creek
Wildwood
Mentor Twp, Cheboygan County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.363541 , -84.661978
T34N R03W Sec 3
Fish Passability 0
Total Erosion: 1.2532 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Downstream Conditions
Upstream 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: Mixture
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 44.5 ft. , Width 2 ft. , Height 2 ft.
Percentage Plugged: Inlet: 1% to 25%
Structure Inlet
Water Depth: 0.67 ft.
Embedded Depth of Structure: 0.16 ft.
Water Velocity*: 2.3 ft./sec.
Structure Outlet
Water Depth: 0.42 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.1 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: More than Bankfull
Scour Pool: Length 5 ft. , Width 3 ft. , Depth 1 ft.
Upstream Pond: Length 100 ft. , Width 60 ft. , Depth 3 ft.
Riffle Information
Water Depth: 0.25 ft.
Bankfull Width: 10 ft.
Wetted Width: 8 ft.
Water Velocity: 1.3 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 100 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.38
Erosion: 0.314 tons/year
Right Approach
Length: 100 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.38
Erosion: 0.314 tons/year
Erosion Information
Total Erosion at Crossing: 1.2532 tons/year
Extent of Erosion: Moderate
Notes: Moderate-severe. Culvert looks new, plants could be planted to stop erosion. There are are orange bags at inlet, trying to prevent it.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Approach
25 ft.
4 ft.
3 ft.
yes
Gravel
0.525
Right Upstream Embankment
6.5 ft.
3 ft.
2 ft.
yes
Sand
0.1001
Summary Information
Fish Passability 0
Erosion is an area of concern for this site. At inlet and outlet
A future visit to this site is recommended. Check erosion and bags.