Road Stream Crossing Site LTB-083

Little Traverse Bay Watershed, Tannery Creek
Boyer Rd
Bear Creek Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.37657187 , -84.9023782
Fish Passability 0
Perch Height: 0.3 ft.
Total Erosion: 0.2136 tons/year
Severity: Severe
Year Inventoried: 2014
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 40 ft. , Width 1 ft. , Height 1 ft.
Perch Height: 0.3 ft.
Structure Inlet
Water Depth: 0.55 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.73 ft./sec.
Structure Outlet
Water Depth: 0.35 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.66 ft./sec.
*Water Velocities were measured 0.33 ft. below Surface (with Meter)
Additional Comments
430 Boyer Rd Harold and Michelle Oom. Old site ID: TC-13.
Scour Pool: Length 20 ft. , Width 8 ft. , Depth 1.6 ft.
Upstream Pond: Length 8 ft. , Width 5 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 8.083 ft.
Wetted Width: 5.083 ft.
Water Velocity: 0.25 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel Private Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 4 ft.
Slope: 1:2
Downstream
Fill Depth: 3.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 80 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.364
Erosion: 0.1364 tons/year
Right Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.33
Erosion: 0.0773 tons/year
Erosion Information
Total Erosion at Crossing: 0.2136 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Yes undersized culvert, possible perching in low water
A future visit to this site is recommended. Yes undersized culvert, possible perching in low water