Road Stream Crossing Site AUS_OG017

Au Sable River Watershed, Tributary of Harper's Creek
Mack Lake Trail
Goodar Twp, Ogemaw County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.49547 , -83.9336
T24N R04E Sec 11
Owned by Private
Fish Passability 0
Perch Height: 0.6 ft.
Total Erosion: 6.595 tons/year
Severity: Severe
Year Inventoried: 2013
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 3.1 ft. , Height 3.1 ft.
Perch Height: 0.6 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.1 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
Couldn't get to inlet because of poison ivy-measurements are estimates.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 6.5 ft. , Width 6 ft. , Depth 1 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 15 ft.
Wetted Width: 3.3 ft.
Water Velocity: 1 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: 5 ft.
Slope: 1:2
Downstream
Fill Depth: 4.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.2975 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.2975 tons/year
Erosion Information
Total Erosion at Crossing: 6.595 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Yes, the outlet is perched, creating a fish passage barrier.
A future visit to this site is recommended. The outlet is perched, creating a fish passage barrier.
These non-native species were observerd at this site: Sweet Clover