Road Stream Crossing Site TBW_TBAC111
Thunder Bay River Watershed, Yoder Creek
Wilson Road
Mitchell Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.72193
, -83.82803
T27N
R5E
Sec 22
Owned by Private
Perch Height: 0.05 ft.
Total Erosion: 6.865 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 37 ft.
, Width 1.6 ft.
, Height 1.6 ft.
Perch Height: 0.05 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.1 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
NO RIFFLE TESTED BECAUSE THERE IS NO UP OR DOWN STREAM CHANNEL
Stream Information
Stream Flow: More than Bankfull
Scour Pool: Length 5.6 ft.
, Width 6 ft.
, Depth 1.5 ft.
Road Information
Sand
County Road
Road Condition: Fair
Road Width at Culvert: 18 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.3 ft.
Slope: 1:2
Approaches
Left Approach
Length: 550 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.688
Erosion: 4.6023 tons/year
Right Approach
Length: 320 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.426
Erosion: 2.2627 tons/year
Erosion Information
Total Erosion at Crossing: 6.865 tons/year
Summary Information
Fish Passage is an area of concern for this site.
UNDERSIZED CULVERT