Check out the bingo sign! CAZENOVIA STEPHENSON ST. BRIDGE
REPLACEMENT OF ONE BANK OF A CONCRETE-LINED CHANNEL CAZENOVIA STEPHENSON STREET BRIDGE SPONSOR: CITY OF BUFFALO, NY CONSTRUCTED OCTOBER MARCH 2006
CAZENOVIA STEPHENSON STREET BRIDGE Urban Urban Urban!! Steep bank slopes- fenced off for public safely, concrete lined channel Roads on top of both banks within feet of sloped bank of stream Dense urban single-family dwellings Floods fairly often due to flow, ice jams, & backwater effects from the Buffalo River City of Buffalo, NY project Pool-riffle-pool stream, less than 1% slope
PRE-PROJECT AERIAL PHOTO by Dave Derrick FEBRUARY 22, 2005
Flow left to right, left bank protection will be replaced. Pix by Derrick 2/22/2005
PRE-PROJECT PHOTOS by Lallman Rambali NYSDOT REGION 9 WINTER 2003
Ice on US side of Stephenson Street bridge. Pix by Lallman Rambali 2003
From Stephenson St. bridge, looking US Pix by Lallman Rambali 2003
PRE-PROJECT PHOTOS by Dave Derrick FEBRUARY 24, 2005
Looking project bank (left bank) Pix by Derrick 2/24/2005
Looking across stream, left bank in background. Pix by Derrick 2/24/2005
Most trees near top bank at end of life cycle. Pix by Derrick 2/24/2005
Looking across at left bank. Houses flood every few years. Pix by Derrick 2/24/2005
Sheetpile toe with tieback anchors Lower bank – Large cut stone blocks with willow whips in between Mid-bank - Riprap stone with rooted stock shrub plantings Upper-bank – Soil with grasses & several species of rooted stock shrubs Top bank - between fence & guide rail a row of rooted stock trees METHODS EMPLOYED
CONSTRUCTION PHOTOS by Jeff Fisk, Project Engineer, OCTOBER 2005
Looking DS. Driving US end of project. Pix by Jeff Fisk - Oct. 2005
Looking left bank, US end of project. Pix by Jeff Fisk - Oct. 2005
Looking across. Old sheetpile & backfill removed. Pix by Jeff Fisk - Oct. 2005
Lifting a section of sheetpile. Pix by Jeff Fisk - Oct. 2005
Positioning & driving sheetpile. Note worker Pix by Jeff Fisk - Oct. 2005
3 months into construction, flow right to left. Pix by Jeff Fisk - 12/27/2005
CONSTRUCTION PHOTOS by Dave Derrick NOVEMBER 4, 2005
Looking DS. Old sheetpile removed, new installed. Pix by Derrick 11/4/2005
Old sheetpile. Slag backfill had eroded tieback anchors, necessitating the replacement of all bank protection. Pix by Derrick - 5/18/2006
Looking DS. Note steep bank. Pix by Derrick 11/4/2005
Looking DS. Driving sheetpile toe. Project is 1,000 ft long. Pix by Derrick 11/4/2005
CONSTRUCTION COMPLETE Photos by Derrick MAY 18, 2006
Looking DS. Toe-sheetpile & cut stone with willows. Pix by Derrick - 5/18/2006
Looking DS. Mid bank riprap, upper bank-rooted stock shrubs Pix by Derrick - 5/18/2006
Looking DS. Trees-fence-shrubs-riprap-stone-sheetpile. Pix by Derrick - 5/18/2006
Looking DS. Opposite bank typical concrete. Pix by Derrick - 5/18/2006
Looking DS. Close-up of soil-choked riprap mid-bank & upper bank shrubs. Note engineered soil-clay-gravel- organic mix for stability & plant growth of shrubs. Pix by Derrick - 5/18/2006
Robust upper bank rooted stock shrubs. Pix by Derrick - 5/18/2006
Gravel-clay-soil-organic mix planting medium. Pix by Derrick - 5/18/2006
Looking DS. Shrubs and top-bank trees. Pix by Derrick - 5/18/2006
Looking DS. Trees between fence & guide rail. Pix by Derrick - 5/18/2006
5 MONTHS AFTER PROJECT COMPLETION Photos by Derrick AUGUST 23, 2006
Mid & Upper bank vegetation growing well Pix by Derrick - 8/23/2006 TreesNo protection, 2 rows of shrubs Riprap with grasses & willows Square cut stone with willow & dogwood whips Sheetpile
Mid & Upper bank vegetation growing well Pix by Derrick - 8/23/2006
Close-up of v egetation. Pix by Derrick - 8/23/2006
22 MONTHS AFTER PROJECT COMPLETION FEB 3-4, 2008
Looking channel & left bank. Pix by Chuck Godfrey - 2/4/2008
Looking left bank from bridge. Note plantings on bank. Pix by Chuck Godfrey - 2/4/2008
Looking left bank. Water level has dropped, ice has collapsed Pix by George Cotroneo - 2/3/2008
Looking close-up of left bank. Pix by Chuck Godfrey - 2/4/2008
WHAT A BIG DIFFERENCE ONE DAY MAKES Feb 5, 2008 (3/4 inch of rain + warm temps=10 ft high stage & ice out) ALSO WHICH BANK DO YOU LIKE, LEFT OR RIGHT??
LEFT BANK –Warm temps + rain + high water = quick ICE OUT. All veg still looking very very good. Pix by Joe Kassler - 2/5/2008
RIGHT BANK - All concrete, ugly year round. Pix by Chuck Godfrey - 2/5/2008
3 YEARS & 1 MONTH AFTER PROJECT COMPLETION Photos by Derrick JUNE 12, 2009
Looking left bank. Veg looking good!! 3YRS 1 MONTH AFTER-CAZENOVIA STEVENSON ST-DERRICK
Looking left bank. All veg is robust!! 3YRS 1 MONTH AFTER-CAZENOVIA STEVENSON ST-DERRICK
Looking left bank. Nice species diversity of plants. 3YRS 1 MONTH AFTER-CAZENOVIA STEVENSON ST-DERRICK
Looking left bank. Even toe veg is coming on. 3YRS 1 MONTH AFTER-CAZENOVIA STEVENSON ST-DERRICK
Vines & some veg growing amongst large toe stone 3YRS 1 MONTH AFTER-CAZENOVIA STEVENSON ST-DERRICK
Close up of robust mid & upper bank veg. 3YRS 1 MONTH AFTER-CAZENOVIA STEVENSON ST-DERRICK
Top bank tall trees to left & upper bank veg on right. 3YRS 1 MONTH AFTER-CAZENOVIA STEVENSON ST-DERRICK
4.66 YEARS AFTER PROJECT COMPLETION Photos by Derrick JUNE 16, 2010
4.66 YRS LATER-CAZENOVIA STEVENSON ST-DERRICK years after completion. From bridge looking the entire project. All planted material showing robust growth
4.66 YRS LATER-CAZENOVIA STEVENSON ST-DERRICK years after completion. From the bridge looking DS. Except for narrow band of stone at toe, dense veg has covered the entire bank.
4.66 YRS LATER-CAZENOVIA STEVENSON ST-DERRICK years after completion. From the bridge looking DS. Good diversity of plant species with some volunteer plants (Cottonwood, Black Locust, herbacious, some invasive Japanese Knotweed).
4.66 YRS LATER-CAZENOVIA STEVENSON ST-DERRICK years after completion. From bank looking DS.
4.66 YRS LATER-CAZENOVIA STEVENSON ST-DERRICK years after completion. From the bank looking DS. Willow is growing well in the riprap section.
4.66 YRS LATER-CAZENOVIA STEVENSON ST-DERRICK years after completion. Looking at top bank & overbank
4.66 YRS LATER-CAZENOVIA STEVENSON ST-DERRICK years after completion. Looking at top bank.
5 YEARS AFTER PROJECT COMPLETION Photos by Chuck Godfrey Feb. 18, 2011
5 YRS LATER-CAZ STEVENSON ST-CHUCK GODFREY YEARS AFTER PROJECT COMPLETION. Ice is back!! DOT closed the bridge for 2 days, concrete channel UGLY but OK.
5 YRS LATER-CAZ STEVENSON ST-CHUCK GODFREY YEARS AFTER PROJECT COMPLETION. DOT closed bridge for 2 days. Ice pounding project, all plants safe!!
5 YRS LATER-CAZ STEVENSON ST-CHUCK GODFREY YEARS AFTER PROJECT COMPLETION. Ice flowing around plants & pounding project, plants look OK!!!
Brothers separated at birth!!