Road Stream Crossing Site BT_G011
Betsie River Watershed, Brigham Creek
Hulett Rd
Green Lake Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.61636
, -85.71684
T26N
R12W
Sec 26
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.5159 tons/year
Severity: Moderate
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: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 20.5 ft.
, Width 2 ft.
, Height 2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 11.7 ft.
, Width 9.6 ft.
, Depth 1.2 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 6 ft.
Wetted Width: 5.6 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 13 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.9 ft.
Slope: Vertical
Downstream
Fill Depth: 1.4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 130 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.392
Erosion: 0.1825 tons/year
Right Approach
Length: 215 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.433
Erosion: 0.3334 tons/year
Erosion Information
Total Erosion at Crossing: 0.5159 tons/year
Summary Information
Fish Passability 0.9