Road Stream Crossing Site MAN_MI_005
Big Manistee River Watershed, Manistee River
Fahrney Rd
Bloomfield Twp,
Missaukee County
Information collected by:
Site Location
GPS Coordinates: 44.5051
, -85.31001
T24N
R8W
Sec 5
Owned by State
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.7934 tons/year
Severity: Moderate
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 30 ft.
, Width 140 ft.
, Height 14.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.5 ft./sec.
Structure Outlet
Water Depth: 4.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.7 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 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: 5 ft.
Bankfull Width: 116 ft.
Wetted Width: 87 ft.
Water Velocity: 1.8 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 30 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.8
Erosion: 0.7934 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.7934 tons/year
Summary Information
Fish Passability 0.5