Road Stream Crossing Site AGIO024
Au Gres River Watershed, Au Gres River
Reno Rd
Reno Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.27265
, -83.87296
T22N
R5E
Sec 30
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 1.8843 tons/year
Severity: Moderate
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Open Bottom Arch
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 19 ft.
, Width 14.7 ft.
, Height 14 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
Structure Outlet
Water Depth: 3.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Additional Comments
Road closed to traffic.
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 40 ft.
, Width 31 ft.
, Depth 5 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 45 ft.
Wetted Width: 28 ft.
Water Velocity: 2.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Native Surface
County Road
Road Condition: Poor
Road Width at Culvert: 6 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.9421 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.9421 tons/year
Erosion Information
Total Erosion at Crossing: 1.8843 tons/year
Notes: None, except concrete arch/bridge itself is falling apart.
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. Monitor condition. If the bridge were to completely collapse it would be an issue.
These non-native species were observerd at this site: Autumn Olive, Spotted Knapweed