Road Stream Crossing Site P165

Pine River Watershed, Dowling Creek
17 Rd
Henderson Twp, Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.20061 , -85.65845
T21N R11W Sec 20
Owned by Federal
Fish Passability 0
Perch Height: 0.2 ft.
Total Erosion: 1.4435 tons/year
Severity: Severe
Year Inventoried: 2014
Site ID
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: Good
Structure Interior: corrugated
Dimensions of Structure: Length 38 ft. , Width 3 ft. , Height 3 ft.
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.8 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.7 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 10 ft. , Width 6 ft. , Depth 1 ft.
Upstream Pond: Length 6.3 ft. , Width 5 ft. , Depth 0.9 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 6.7 ft.
Wetted Width: 4.7 ft.
Water Velocity: 1.7 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel Federal Road
Road Condition: Good
Road Width at Culvert: 14 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 330 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.466
Erosion: 0.5931 tons/year
Right Approach
Length: 450 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.49
Erosion: 0.8504 tons/year
Erosion Information
Total Erosion at Crossing: 1.4435 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Yes, perched outlet restricting fish passage.

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