Road Stream Crossing Site AUS_CR063
Au Sable River Watershed, Beaver Creek
I-75 Northbound
Beaver Creek Twp,
Crawford County
Information collected by:
Site Location
GPS Coordinates: 44.52197
, -84.66885
T25N
R03W
Sec 34
Owned by Private
State
State
Fish Passability 0
Total Erosion: 1.3944 tons/year
Severity: Severe
Year Inventoried: 2013
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 120 ft.
, Width 7 ft.
, Height 6.9 ft.
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 32 ft.
, Width 36 ft.
, Depth 3.2 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 20 ft.
Wetted Width: 16 ft.
Water Velocity: 3.3 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Paved
Federal Road
Road Condition: Good
Road Width at Culvert: 37 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.6972 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.6972 tons/year
Erosion Information
Total Erosion at Crossing: 1.3944 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
A future visit to this site is recommended. To check out 120 foot long culvert, may pose problem to fish passage. A future site visit may also be recommended to check scour pool.