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Search WFLHD   Related Links Acronym List Privacy Policy Site Map		SE Alaska State Culverts ADG - Average Downstream Gradient AUG - Average Upstream Gradient TBCW - Typical Bankfull Channel Width Culvert Name Photo Plan Data Cost Cost/ foot Culvert Slope (%) Bed Slope(%) ADG AUG Span (in) Span/ TBCW TBCW (ft) Key Design Feature Culvert Type Species Performance Score Dominant Downstream Morphology Stream Name Forest/Park State Country Year Installed Big Salt 11.3 √   √ $110,000 $714 11 12 11 11 142 1 12 Randomly placed stone with SRS Corrugated Metal Pipe-Round salmon 37 Step-pool Unnamed Tongass National Forest AK United States 1999 Big Salt 4.7 √   √ $60,000 $492 12 12 8 14 84 1.2 6 Randomly placed stone with SRS Corrugated Metal Pipe-Round salmon 38 Step-pool Unnamed Tongass National Forest AK United States 1999 Big Salt 4.8 √   √ $80,000 $741 12 13 6 13 120 1.3 8 Randomly placed stone with SRS Corrugated Metal Pipe-Round salmon 27 Riffle-pool Unnamed Tongass National Forest AK United States 1999 Big Salt 5.8 √   √ $100,000 $699 1 5 5 6 180 .9 17 Randomly placed stone without sediment retention sills (SRS) Structural Plate-Pipe salmon 37 Step-pool Duke Creek trib. Tongass National Forest AK United States 2000 Big Salt 5.9 √   √ $160,000 $1,013 0.5 5 5 10 180 .9 16 Randomly placed stone without sediment retention sills (SRS) Structural Plate-Pipe salmon 37 Step-pool Duke Creek trib. Tongass National Forest AK United States 2000 Big Salt 7.6 √   √ $90,000 $1,098 5 7 7 11 180 .8 18 Constructed channel features without SRS Structural Plate-Pipe salmon 39 Riffle-pool Camp Creek Tongass National Forest AK United States 1999 Coffman Cove 4.9 √   √ $100,000 $943 9 9 4 6 142 1.7 7 Randomly placed stone with SRS Corrugated Metal Pipe-Round salmon 39 Riffle-pool Logjam Creek trib. Tongass National Forest AK United States 2004 Duke Creek √   √ $201,500 $2,121 0.5 4 4 6 230 1.1 18 Randomly placed stone without sediment retention sills (SRS) Structural Plate-Pipe salmon 48 Step-pool Duke Creek Tongass National Forest AK United States 1998 Logjam Creek trib. Fishway √   √ $60,000 $522 12 0 4 7 71 .7 8 Fishways Corrugated Metal Pipe-Round steelhead 30 Step-pool Logjam Creek trib. Tongass National Forest AK United States 2003 NPW Road MP 18.6 √   √ $82,000 $911 6 6 7 7 96 .7 12 Randomly placed stone with SRS Corrugated Metal Pipe-Round salmon 34 Riffle-pool Control Lake trib. Tongass National Forest AK United States 1992 NPW Road MP 19.3 √   √ $78,000 $907 9 9 4 7 96 .8 10 Randomly placed stone with SRS Corrugated Metal Pipe-Round salmon 34 Riffle-pool Big Salt Lake trib. Tongass National Forest AK United States 1992 NPW Road MP 24.5 √   √ $82,000 $774 6.5 6.5 4 7 152 1.3 10 Randomly placed stone with SRS Corrugated Metal Pipe-Arch salmon 33 Riffle-pool Staley Creek trib. Tongass National Forest AK United States 1994 NPW Road MP 26.3 √   √ $140,000 $1,400 4.5 4.5 2 7 217 1.8 10 Randomly placed stone with SRS Structural Plate-Arch salmon 34 Riffle-pool Staley Creek trib. Tongass National Forest AK United States 1994 Number of Records Retrieved: 13 Hint: Click on the '√' hyperlink in the Photo, Plan, or Data column to view the available information. Go to the Observed Performance Deficiencies Table Back to Search Database
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