07 AASHTO Bridge Committee Awards Presentation

Awards PresentationWorld Steel Bridge SymposiumNew Orleans, Louisiana December 6, 2007

NSBA / AISC

Prize BridgesPrize Bridges

Prize Bridge Jury

Matt Farrar, Idaho DOTAndrew Herrmann, Hardesty HanoverThomas Lulay, CH2M HillMyint Lwin, FHWA

Major Span

US-93 Burro Creek Canyon Bridge

Northwest Arizona (between Phoenix & Las Vegas)

• used innovative erection techniques, weathering steel, and classis arch design ... to produce a good looking structure

• constructability issues were crucial ... construction mitigated environmental impacts

• consideration given to construction and worker safety are an important aspect of design

US-93 Burro Creek Canyon Bridge

Designer - Arizona Department of TransportationPhoenix, AZ

Shafi Hasan

Fabricator - PDM BridgeDetailer – Tensor EngineeringErector – Traylor Brothers

Long Span

Raccoon Creek Bridge

Pike County, Kentucky

• wise use of constructability & fabrication input early in the design phase …a beautiful example of a quality design, fabrication and construction effort

• impressive high steel tubs with innovative ‘angel wing’ erection technique

• aesthetically superior … constructability issues well thought out …pleasing span to depth ratio and symmetry

Raccoon Creek Bridge

Designer - Palmer EngineeringWinchester, KY

Brad Robson

Fabricator – High Steel StructuresDetailer – Tensor EngineeringErector – Bush & Burchett

Medium Span

I-94 Modified Tied Arch Bridge

Taylor, Michigan

• the steel design addressed numerous constraints & challenges at this location … an artistic solution

• good appearance with pressurized box for arch to minimize corrosion

• several innovative solutions. slender and aesthetic with complex details in context sensitive format

I-94 Modified Tied Arch Bridge

Designer – Alfred Benesch & Company Lansing, MI

Muthia KasiIhab Darwish

Fabricator - PDM Bridge Detailer – CanDraft, Inc.Erector – Whaley Steel Construction

Short Span

US-36 over Box Elder Creek

Watkins, Colorado

• innovative use of rolled shapes offers competitive choices to designers for short span bridges

• good example of steel’s viability over concrete … simple, clean, with easy construction

• aesthetically pleasing … innovative continuity connection …simple details, constructible, economical alternate to prestress concrete

• standardization and keeping details simple are the keys to make steel sections competitive

US-36 over Box Elder Creek

Designer – Colorado Department of Transportation Denver, CO

Teddy Meshesha

Fabricator – Big R Manufacturing Detailer – Big R ManufacturingErector – Structures, Inc.

Movable Span

Intracoastal Waterway Bridge

Louisa, Louisiana

• use of steel counterweight was requested by citizens and solved by the design team

• clean appearance with counterweights hidden between approach span girders

• minimizing counterweight resulted in a pleasing look ... haunch on approach spans complimented lift span ... good symmetry

• good use of steel to push the state of the practice.

Intracoastal Waterway Bridge

Designer – HNTB CorporationBaton Rouge, LA

Rudy McLellan

Fabricator – Steward Machine Detailer – Steward Machine Erector – Huval & Associates

Special Purpose

Highland Bridge

Denver, Colorado

• the design & construction teams worked well to insure this complex bridge was constructible over traffic

• innovative triple arch truss … complicated erection to achieve success

• structure seems to rise and fly over the interstate … good use of steel to make a remarkable bridge

• the sweeping view of the triple rib steel arch provides a pride of the community … prefabricated segments facilitate the construction

Highland BridgeDesigner – Jacobs Carter Burgess

Denver, COJeff Mehle

Fabricator – King Fabrication Detailer – King Fabrication Erector – Harmon Constructors

Reconstructed

St. Johns Bridge

Portland, Oregon

• design effort paid good attention to detail … historic reconstruction to meet current loads and to resist NorthWest climate impacts

• historic preservation of Steinman suspension system

• admirable project to rehabilitate and preserve an historic landmark

• great restoration of a historic suspension bridge to meet current seismic and traffic needs

St. Johns Bridge

Designer – OBEC Consulting Engineers Jim Bollman

Oregon DOTFrank Nelson

Fabricator – Hogan Fabrication Detailer – Hogan FabricationErector – Max J. Kuney Construction

Prize BridgesPrize Bridges

NSBA / AISC

CONGRATULATIONS TO ALLCONGRATULATIONS TO ALL