Road Stream Crossing Site GTBAY_MC034
Mitchell Creek Watershed, Mitchell Creek
Woodcreek Blvd
East Bay Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.732909
, -85.566283
T27N
R10W
Sec 18
Owned by Private
Fish Passability 0.9
Total Erosion: 0.0556 tons/year
Severity: Minor
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 42 ft.
, Width 11 ft.
, Height 2.2 ft.
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.3 ft.
Bankfull Width: 15.8 ft.
Wetted Width: 11.8 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
Private Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 25 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.001 tons/year
Right Approach
Length: 150 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.44
Erosion: 0.0545 tons/year
Erosion Information
Total Erosion at Crossing: 0.0556 tons/year
Summary Information
Fish Passability 0.9