Road Stream Crossing Site GTBAY_BRD023
Boardman River Watershed, Boardman River Trib Kids Creek
US-31
Garfield Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.732525
, -85.646171
T27N
R11W
Sec 16
Owned by Private
Fish Passability 0.5
Total Erosion: 0.0709 tons/year
Severity: Moderate
Year Inventoried: 2020
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: Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 110 ft.
, Width 4 ft.
, Height 4 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*: 2.2 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 6.5 ft.
Wetted Width: 6.4 ft.
Water Velocity: 2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 65 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 15 ft.
Slope: 1:2
Downstream
Fill Depth: 15 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.33
Erosion: 0.0355 tons/year
Right Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.33
Erosion: 0.0355 tons/year
Erosion Information
Total Erosion at Crossing: 0.0709 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Spotted Knappweed