Road Stream Crossing Site TBW_TBAC154

Thunder Bay River Watershed, Unnamed
Quick Road
Hawes Twp, Alcona County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.71325 , -83.47007
T27N R8E Sec 21
Owned by Private
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 14.7224 tons/year
Severity: Severe
Year Inventoried: 2017
Inlet
Outlet
Upstream Conditions
Downstream Conditions
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: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft. , Width 3.1 ft. , Height 3.1 ft.
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.1 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.8 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 21 ft. , Width 8 ft. , Depth 2.7 ft.
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 5 ft.
Wetted Width: 3.6 ft.
Water Velocity: 1 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 4.4 ft.
Slope: 1:2
Downstream
Fill Depth: 5.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 14.6832 tons/year
Erosion Information
Total Erosion at Crossing: 14.7224 tons/year
Extent of Erosion: Moderate
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 Downstream Embankment
4 ft.
1.5 ft.
2 ft.
yes
Clay
0.0392
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. VELOCITY