Road Stream Crossing Site AGAR004

Au Gres River Watershed, Tributary of Au Gres River
Court Street
Au Gres Twp, Arenac County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.03496 , -83.69656
T18N R6E Sec 24
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.1034 tons/year
Severity: Minor
Year Inventoried: 2014
Site ID
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
4 ft.
40 ft.
4 ft.
Metal
2
4 ft.
40 ft.
4 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft. , Width 4 ft. , Height 4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved Town Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.5 ft.
Slope: 1:2
Downstream
Fill Depth: 3.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.038 tons/year
Right Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.43
Erosion: 0.0654 tons/year
Erosion Information
Total Erosion at Crossing: 0.1034 tons/year
Notes: None
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Phragmites, Purple Loosestrife