Road Stream Crossing Site GTBAY_S538
Boardman River Watershed, S Branch Boardman River Tributary
Church Rd
Boardman Twp,
Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.64653
, -85.2814
T26N
R8W
Sec 16
Owned by State
Private
Private
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 0.1584 tons/year
Severity: Restored
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Erosion
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 34 ft.
, Width 2 ft.
, Height 2 ft.
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.7 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 12 ft.
, Width 12 ft.
, Depth 2.5 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 9.4 ft.
Wetted Width: 5.4 ft.
Water Velocity: 2.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 18.5 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:1.5
Downstream
Fill Depth: 4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 100 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0031 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1529 tons/year
Erosion Information
Total Erosion at Crossing: 0.1584 tons/year
Extent of Erosion: Minor
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Embankment |
4 ft. |
8 ft. |
0.2 ft. |
yes |
Gravelly Loam |
0.0008 |
Right Downstream Embankment |
4 ft. |
8 ft. |
0.4 ft. |
yes |
Gravelly Loam |
0.0016 |
Summary Information
Fish Passability 0