Road Stream Crossing Site GTBAY_ACW010
Acme Creek Watershed, Acme Creek West
Bunker Hill Rd
Acme Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.758647
, -85.478924
T27N
R10W
Sec 02
Owned by Private
Fish Passability 0
Perch Height: 1.3 ft.
Total Erosion: 0.4105 tons/year
Severity: Severe
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Erosion
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 40 ft.
, Width 2 ft.
, Height 2 ft.
Perch Height: 1.3 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.9 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 5.7 ft.
Wetted Width: 2.2 ft.
Water Velocity: 1.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.2 ft.
Slope: 1:1
Downstream
Fill Depth: 4 ft.
Slope: 1:1
Approaches
Left Approach
Length: 350 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.575
Erosion: 0.1464 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1818 tons/year
Erosion Information
Total Erosion at Crossing: 0.4105 tons/year
Extent of Erosion: Moderate
Notes: Angle of culvert and steep embankment cuasing erosion around inlet.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Embankment |
3 ft. |
1 ft. |
2 ft. |
yes |
Sandy Loam |
0.0403 |
Right Downstream Embankment |
3 ft. |
2 ft. |
2 ft. |
yes |
Gravelly Loam |
0.042 |
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Perched culvert and extent of erosion.