Chincoteague Bridge Project Henri Sinson PE Virginia Concrete

Chincoteague Bridge Project Henri Sinson, PE Virginia Concrete Conference March 3, 2011 HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Chincoteague Project • • • Project Overview Bascule Span Highlights Met Aesthetic Requirements Satisfied Challenging Site Conditions Innovation for Efficiency Innovation for Long Life HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Presentation Agenda • • Project Overview Project Background Project Construction Questions HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Project Overview • Bridge on Rte 175 Over Black Narrows and Lewis Creek Channel • Accomack County and Town of Chincoteague, Virginia • 4035’-0” low level bridge • 123’-6” single leaf bascule span • 729’-0” low level connector bridge • Owner: VDOT • Designer: Hardesty & Hanover, LLP • Contractor: American Bridge HARDESTY & HANOVER, LLP Bid: $68. 7 million E N G I N E • E Contractor R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Site Conditions Old Chincoteague Bridge Town of Chincoteague & Marsh Island HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Existing Bridge Conditions SUFFICIENCY RATING Bridge over Black Narrows: 25 Bridge over Chincoteague Channel: 23 HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Existing Bridge Conditions HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project Photo Courtesy of Jacobs Engineering Group Inc.

Alignment Study Maddox C-2 C C-5 st Po C-4 ffi O C-3 St . n ce Ma rti n . St ai M h ut So HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Alternative Alignments Alignment C-3 HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Alternative Alignments Alignment C-2 HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Alternative Alignments Alignment C-4 HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Alternative Alignments Alignment C-5 HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Alternative Alignments Alignment C Temporary Detour HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Alternative Alignments Maddox Blvd. Connection Alignment HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Community Involvement Meeting HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Community Involvement Meeting HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Final Alignment New Rte 175 Bridge ” 0 5’- an ne sh 72 Ch Is la nd l 3 New Marsh Island Connector Bridge 0” ’ 9 40 C hi n co te ag ue Is la nd M ar Site Plan New Single Leaf Bascule HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Constructability Adjustment New Rte 175 Bridge ” 0 5’- an ne sh 72 Ch Is la nd l 3 New Marsh Island Connector Bridge 0” ’ 9 40 C hi n co te ag ue Is la nd M ar Site Plan New Single Leaf Bascule HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Project Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Retaining Walls HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Retaining Wall Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Retaining Wall Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Pile Bents HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Pile Fabrication HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Pile Bent Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Pile Bent Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Pile Bent Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Pile Bent Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Pile Bent Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Pier HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Pier Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Pier Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Pier Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Pier Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Span HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Span Fabrication HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Span Fabrication HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Span Fabrication HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Bascule Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Spans HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Fabrication HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Approach Span Construction HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project

Questions HARDESTY & HANOVER, LLP E N G I N E E R I N G Virginia Concrete Conference, Chincoteague Bridge Project