Plan & Profile
Churchill Underpass
Churchill Ave Aerial View (Plan)
Alma St (Profile)
Detail A
See Detail A
PRELIMINARY
FOR DISCUSSION PURPOSES ONLY
LEGEND:
Track
Retaining Wall
Right-of-Way
Direction of Traffic
Structure
Roadway Modifications
Ped/Bike Ramps & Sidewalks
Planting Area
Alma St Profile
Partial Underpass at Churchill
11'
10'
11'
5'
13'
10'
100 ft500 ft
Movement Diagram
Intersection Turning
M
elvi l l
e A
ve
K
el logg
A
ve
C
hu
rchi l l
A
ve
C
oleridg
e A
ve
Alma St
Paly Rd
Mariposa Ave
Castilleja Ave
Alma St
0.0%
0.0%
Original Ground
Profile Grade
Roadway
60 50
40 30
20 60
50 40
30 20
202+00 203+00 204+00 205+00 206+00 207+00 208+00 209+00 210+00 211+00 212+00 Total Length = 1,129 ft
Ave
Kellogg
Ave
Churchill
Ave
Coleridge
-8%
+8%
-0.3%
380' VC
104' VC 112' VC
380' VC
213+00
R=5'R=5'
32'
9'
9'
12'
Tunnel below
Profile & Typical Sections
Churchill Underpass
Churchill Ave (Profile)
Alma St (North of Churchill Ave)
Typical Section
Churchill Ave Underpass
Typical Section
(Looking South)
Bridge Typical Section at Churchill Ave
Seale Ave
Kellogg Ave or
Typical Section
a maximum span length of 75-80 ft)
(Based on a 2-span structure with
Top of Rail to Soffit = 7'-6"Note:
PRELIMINARY
FOR DISCUSSION PURPOSES ONLY
Original Ground = Existing Top of Rail
CL
Churchill Ave
22' - 4" *
11' 11' 11'
centerline of Churchill Ave
*Dimension shown at
8'
WB Lane
Turn Lane
EB Left
Turn Lane
EB RightShld Shld
MT-2
Exist
8'Var 8' to 22'
11'
NB Alma St
NB LaneSB LaneSB Lane
11'
13'
NB Lane NB Lane
10'
10' 5'
Shld
R/W
Caltrain
4'
PL
Prop
PL
Exist
Sidewalk
5'
Landscape
Track
MT-2
Track
MT-1
14' +/-
12'
9'
R/W
Caltrain
Ped/Bike Path
Southbound
Ped/Bike Path
2-Way
To Be Reconstructed
Existing Bleachers
9'
Ped/Bike Path
Northbound
2'-4"
Shld
2'
12'
LANE
RAMP
Ped/Bike
FL
FL
16'
Sidewalk
16'
LANE Sidewalk
PL PL
4'± 4'±2'-6" 2'-6"
60'
13' 15' 12'-6"12'
54'-6"
MT1 MT2(Beyond)
OCS Pole
Abutment WallEdge of Abutment = Face of Retaining Wall
1' (Typ)
See Note
Note:
(Looking South)
Bridge Typical Section at Churchill Ave
MT2
Profile Grade
Roadway
Total length = 440 ft
Castilleja Ave
Paly Rd/
Alma St
NB
60 50
40 30
20 99+00 100+00
60 50
40 30
20 105+00104+00101+00 102+00 103+00
0%
Ground
Original MT1
Ped/Bike Bridge
St
Alma
RR Bridge
16' - 6"
16' - 6"
+2%
204' VC
190' VC
-12%