Road Stream Crossing Site GTBAY_AC009
Acme Creek Watershed, Acme Creek
Bunker Hill Rd
Acme Twp,
Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.758718
, -85.48358
T27N
R10W
Sec 02
Owned by Private
Fish Passability 0
Total Erosion: 0.2906 tons/year
Severity: Severe
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: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 3 ft.
, Height 3 ft.
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.5 ft./sec.
*Water Velocities were measured 0.7 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 29 ft.
, Width 11.7 ft.
, Depth 2.7 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 15.5 ft.
Wetted Width: 12.8 ft.
Water Velocity: 1.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 22.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 4.5 ft.
Slope: 1:1
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.238 tons/year
Right Approach
Length: 60 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0022 tons/year
Erosion Information
Total Erosion at Crossing: 0.2906 tons/year
Extent of Erosion: Moderate
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Embankment |
8 ft. |
6 ft. |
0.3 ft. |
yes |
Gravelly Loam |
0.0168 |
Right Downstream Embankment |
2.5 ft. |
1.5 ft. |
2 ft. |
yes |
Sandy Loam |
0.0336 |
Summary Information
Fish Passability 0
Erosion is an area of concern for this site.
Undersized culvert and extent of erosion.
These non-native species were observerd at this site: Spotted Knapweed