Road Stream Crossing Site GTBAY_AC002

Acme Creek Watershed, Acme Creek
Acme Rd
Acme Twp, Grand Traverse County
Information collected by:
Site Location
GPS Coordinates: 44.775497 , -85.499537
T28N R10W Sec 34
Owned by Private
Fish Passability 0
Total Erosion: 0.0299 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)
Number of Structures: 2
Structure Shape: Pipe Arch
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
6 ft.
80 ft.
3.4 ft.
Metal
2
5.9 ft.
80 ft.
3.5 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 80 ft. , Width 6 ft. , Height 3.4 ft.
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.4 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 7.3 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Additional Comments
Water depth and velocity measurements are for culvert 1. Culvert drops 3/4 of the way under the crossing causing high velocity
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.4 ft.
Bankfull Width: 43 ft.
Wetted Width: 42 ft.
Water Velocity: 0.7 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved Town Road
Road Condition: Fair
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 8 ft.
Slope: 1:1.5
Downstream
Fill Depth: 9 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 65 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.344
Erosion: 0.0185 tons/year
Right Approach
Length: 45 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.306
Erosion: 0.0114 tons/year
Erosion Information
Total Erosion at Crossing: 0.0299 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. High water velocity
These non-native species were observerd at this site: Spotted Knapweed, Autumn Olive, Tree of Heaven