Road Stream Crossing Site GTBAY_S452
Boardman River Watershed, Jaxon Creek
Trail off Blair Townhall Rd
Blair Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.6316
, -85.58032
T26N
R11W
Sec 24
Owned by State
Fish Passability 0.5
Total Erosion: 0.1999 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)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 66.5 ft.
, Width 3.5 ft.
, Height 3.5 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 9 ft.
Wetted Width: 4.7 ft.
Water Velocity: 0.3 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 40 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0016 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1983 tons/year
Erosion Information
Total Erosion at Crossing: 0.1999 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Black Locust