Road Stream Crossing Site AUS_PR044

Au Sable River Watershed, East Branch Pine River
Somers Rd
Hawes Twp, Alcona County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.70704 , -83.4241
T27N R08E Sec 25,26
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.8291 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 39 ft. , Width 2.5 ft. , Height 2.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 16 ft. , Width 16 ft. , Depth 1.3 ft.
Upstream Pond: Length 20 ft. , Width 10 ft. , Depth 2 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 8.5 ft.
Wetted Width: 8 ft.
Water Velocity: 0.1 ft./sec. (Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4145 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4145 tons/year
Erosion Information
Total Erosion at Crossing: 0.8291 tons/year
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. To check on vegetation near inlet. It could grow more and block the inlet.
These non-native species were observerd at this site: Autumn Olive