Road Stream Crossing Site RIF_AR110

Rifle River Watershed, Tributary of South Branch Townline Creek
Bernard Rd
Clayton Twp, Arenac County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.10567 , -83.95437
T20N R4E Sec 26
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 2.5246 tons/year
Severity: Severe
Year Inventoried: 2012
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Headwall
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft. , Width 5.1 ft. , Height 3.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
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: 0.4 ft.
Bankfull Width: 7.5 ft.
Wetted Width: 6.4 ft.
Water Velocity: 0.2 ft./sec. (Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 14 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.6 ft.
Slope: 1:1.5
Downstream
Fill Depth: 4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 567 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.513
Erosion: 1.1227 tons/year
Right Approach
Length: 660 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.529
Erosion: 1.3465 tons/year
Erosion Information
Total Erosion at Crossing: 2.5246 tons/year
Extent of Erosion: Moderate
Notes: head wall erosion, top set is upstream top of pipes
Left Downstream
3.6 ft.
2.8 ft.
2 ft.
yes
Sand
0.0554
Summary Information
Fish Passability 0.5
Erosion is an area of concern for this site. headwall
A future visit to this site is recommended. erosion, headwall falling apart