Road Stream Crossing Site AUS_PR050

Au Sable River Watershed, East Branch Pine River
Trask Lake Rd
Hawes Twp, Alcona County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.68451 , -83.45437
T27N R08E Sec 34
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 1.7001 tons/year
Severity: Moderate
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: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 62 ft. , Width 6 ft. , Height 6 ft.
Percentage Crushed: Inlet: 0% Outlet: 0% In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 28.3 ft. , Width 19 ft. , Depth 2.4 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 11 ft.
Wetted Width: 9.5 ft.
Water Velocity: 1.4 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 10 ft.
Slope: More than 1:2
Downstream
Fill Depth: 10 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.3554 tons/year
Right Approach
Length: 915 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.562
Erosion: 0.3397 tons/year
Erosion Information
Total Erosion at Crossing: 1.7001 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Downtream Ditch
19 ft.
1.5 ft.
0.3 ft.
yes
Loam
0.005
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. To check on streambanks on outlet side.
These non-native species were observerd at this site: Autumn Olive