Road Stream Crossing Site TBW_TBAP176
Thunder Bay River Watershed, Scott Creek
Hawkins Road
Ossineke Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 44.87143
, -83.6076
T29N
R7E
Sec 33
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 5.1184 tons/year
Severity: Severe
Year Inventoried: 2017
Site ID
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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft.
, Width 9 ft.
, Height 6.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 13 ft.
Wetted Width: 7.6 ft.
Water Velocity: 1 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 25 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 9 ft.
Slope: More than 1:2
Downstream
Fill Depth: 8.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 465 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.598
Erosion: 5.1184 tons/year
Right Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 5.1184 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Spotted Knapweed, Reed Canary Grass, and Mullein