Road Stream Crossing Site PG020

Pigeon River Watershed, Kimberly Creek
Dunn Rd
Koehler Twp, Cheboygan County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.38136 , -84.49791
T35N R02W Sec 36
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 1.0978 tons/year
Severity: Moderate
Year Inventoried: 2012
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: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 24 ft. , Width 2.5 ft. , Height 2.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 42 ft.
Wetted Width: 3 ft.
Water Velocity: 0.4 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 17.5 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: Vertical
Downstream
Fill Depth: 3 ft.
Slope: Vertical
Approaches
Left Approach
Length: 197.5 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.429
Erosion: 0.408 tons/year
Right Approach
Length: 305 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.461
Erosion: 0.6778 tons/year
Erosion Information
Total Erosion at Crossing: 1.0978 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Upstream Embankment
5 ft.
2.2 ft.
2.4 ft.
yes
Gravelly Loam
0.012
Summary Information
Fish Passability 0.9
Erosion is an area of concern for this site. embankments are vertical, erosion entering stream
A future visit to this site is recommended. Erosion issues