Fish Passage Site 20103957
Coordinates (dec. deg.): 62.79039°, -145.44411°
Legal Description: C012N001W29
Region: South Central
Road Name: Pipeline Access Road
Quad Name / ITM: Gulkana D-3
AWC Stream #:
Stream Name: Gillespie Creek
Site Comments: PLMP 635.17
Project Supervisor: Kim Clark, ADFG
— Anchorage, AK
Observers: Kirsti Jurica, Nicole Farnham
Overall Fish Passage Rating:
Step Pools: No
- Culvert gradient red
- Damage associated with ice problems
- Hydraulic flows exceeded capacity
Comments: Evidence of streamflow's overtopping the road.. Overflow pipe above main pipe included in long profile. Submitted by Kirsti Jurica with CRWP.
|ID: 1||Structure Type: Circular pipe (Corrugated aluminum)||Fish Passage Rating:|
Comments: Inlet substrate is marked armor rock.
|Stream Width Type||Distance From
|Upstream ordinary high water||8.80|
|Upstream ordinary high water||5.70|
|Upstream ordinary high water||7.50|
|Inlet Culvert Top (Pipe #1)||95.00|
|Inlet Culvert Invert (Overflow Pipe)||95.77|
|Inlet Culvert Top (Overflow Pipe)||98.80|
|Outlet Culvert Top (Overflow Pipe)||98.31|
|Outlet Invert (Overflow Pipe)||95.27|
|U/S Water Surface Elev||0.00||92.54|
|Inlet Culvert Invert (Pipe #1)||21.00||89.58|
|U/S Water Surface Elev||21.00||92.47|
|Top of Pipe Outlet (Pipe #1)||74.00||95.22|
|Outlet Invert (Pipe #1)||74.00||88.41|
|D/S Water Surface Elev||74.00||92.47|
|Max Pool Depth||82.00||89.61|
|D/S Water Surface Elev||82.00||92.46|
|D/S Tailcrest or 1st Thalweg||94.00||91.51|
|D/S Water Surface Elev||94.00||92.32|
|D/S Water Surface Elev||160.00||91.09|
|D/S Water Surface Elev||206.00||89.61|
- River distance is measured continuously throughout the survey reach along the thalweg of the stream.
- Measured from each end of the crossing along the thalweg of the stream.
Fish Sampling Efforts
No fish sampling occurred during this survey.
No fish observations occurred during this survey.
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