Road Stream Crossing Site TBW_TBAP228
Thunder Bay River Watershed, Evans Creek
Herron Road
Wilson Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 44.95325
, -83.647
T30N
R7E
Sec 31
Owned by Private
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 0.4859 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: 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 66 ft.
, Width 4 ft.
, Height 4 ft.
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.3 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.2 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 19.5 ft.
, Width 17 ft.
, Depth 2.1 ft.
Riffle Information
Water Depth: 2.5 ft.
Bankfull Width: 12.2 ft.
Wetted Width: 7.2 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5.7 ft.
Slope: 1:2
Downstream
Fill Depth: 5.8 ft.
Slope: 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.3957 tons/year
Right Approach
Length: 286 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.454
Erosion: 0.0902 tons/year
Erosion Information
Total Erosion at Crossing: 0.4859 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
These non-native species were observerd at this site: Reed Canary Grass and Autumn Olive