concept design san antonio river improvements project

MUSEUM (NORTHERN) “URBAN” REACH
64 SAN ANTONIO RIVER DESIGN GUIDELINES
STONE GABION
EXISTING SUBGRADE
CONCRETE FOOTING
SECTION - BIO-ENGINEERED STREAM BANK RESTORATION
NOT TO SCALE
MUSEUM (NORTHERN) “URBAN” REACH
RIVER CHANNEL RESTORATION
The Museum (Northern) “Urban” Reach will require a different approach to the banks and river bottom to accomplish its goal of becoming a
green, linear park. Because it is an urban river reach with very limited right-of-way, more architectural approaches will be required to create a
pedestrian and bicycle-accessible environment. In addition, all improvements within in the channel will be subject to flooding during peak
flood events. Therefore, they must be designed to withstand the associated forces. These components will include:
1. Armored edges – Because the Museum (Northern) “Urban” Reach will include passenger barge traffic, the edges must be armored to
protect from wakes and barge impacts. This will not preclude plantings to also be integrated at many of these locations.
2. Hard edges – In limited locations, the pathway will run along the river’s edge and will require a hard edge.
3. Soft edges – In limited locations, the river edges can be soft, or a natural slope planted with trees and understory. These locations occur
only upstream from Josephine Street where no barge traffic will occur.
4. Channel Bottom – The river channel bottom must accomplish two goals; riparian habitat and maintenance access for cleaning/de-silting.
5. Retaining Walls – Where required, retaining walls should be stepped so that they are reduced in height. They should be built of
limestone or a combination of keystone blocks and limestone ledge stone and planted, as possible.
BRUSH MATTRESSES
LIVE FASCINES
NATURAL BOULDER WALLS
CONCRETE PATHWAY
NATURAL BOULDER WALLS
WITH JOINT PLANTINGS
COBBLE BOTTOM
PROPOSED WATER SURFACE
CONCRETE CELLULAR MAT
MAINTENANCE PATH
100’ R.O.W.
CONCRETE PATHWAY
CONCRETE BAND
VEGETATED GEOGRID
COCONUT FIBER ROLL
LIVE CRIBWALL
(STONE FILL BELOW
WATER LINE)
CONCRETE FOOTING
4’-0” MINIMUM DEPTH
VEGETATED GEOGRIDS
NATURAL BOULDER WALLS
MASONRY SEATWALL
EXISTING SUBGRADE