Final Environmental Impact Report - Whittier Bridge/I-95 ...

Whittier Bridge/I-95 Improvement Project FEIR
Chapter 1.0: Changes Since the Draft Environmental Impact Report and Resolution of Additional Issues
Table 1-6:
Pertinent Existing Bridge Geometric Parameters Incorporated In “Pre-Project
(Existing) Conditions” HEC-RAS Model
Parameter
Attributes
Total Clear Span Length
1,144 Feet
No. of Spans 5
Span Length Distribution
Span 5 North
198 Feet
Span 4
308 Feet
Span 3
198 Feet
Span 2
220 Feet
Span 1 South
220 Feet
Superstructure Depth
Span 5 North
31.4 Feet
Span 4
6.5 Feet
Span 3
31.4 Feet
Span 2
31.4 Feet
Span 1 South
31.4 Feet
Superstructure Deck Width, Perpendicular To Current
110 Feet
No. of Piers 4
Pier 4 (North) 12.0
Pier 3 12.0
Pier 2 10.5
Pier 1 (South) 10.5
Pier Length, Parallel To Current (All)
110 Feet
Table 1-7:
Pertinent Preferred Bridge Type Geometric Parameters Incorporated In “Post-Project
(Revised) Conditions” HEC-RAS Model
Parameter
Attributes
Total Clear Span Length
1,300 Feet
No. of Spans 4
Span Length Distribution
Span 4 North
250 Feet
Span 3
480 Feet
Span 2
285 Feet
Span 1 South
285 Feet
Superstructure Depth
Span 4 North
10.0 Feet
Span 3
6.5 Feet
Span 2
10.0 Feet
Span 1 South
10.0 Feet
Superstructure Deck Width, Perpendicular To Current
185 Feet (Combined NB and SB Roadways)
No. of Piers 3
Pier 3 (North)
11.0 Feet
Pier 2
11.0 Feet
Pier 1 (South)
11.0 Feet
Pier Length, Parallel To Current (All)
185 Feet
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