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North & South Broadway - Wards Project
Client: Zurheide Hermann
Owner: City of St. Louis
Completion Date: Mar 2001
Const. Value: $4,000,000

ABNA conducted route surveys on a 12-mile section of Broadway. This involves topographic surveys and cross sections every 100 ft.  ABNA also provided engineering design services for a 2-mile section of the alignment. Design components included improving the vertical profile, drainage and utility adjustments.

Breckenridge to Baltimore Storm Channel
Client: St. Louis MSD
Owner: St. Louis MSD
Completion Date: Feb 1999
Const. Value: $3,000,000

The objective of this project was to evaluate the hydraulics of the 1200’ channel and size it for a 15-year storm event to alleviate flooding on Warson Road and nearby residential and commercial parking. A bridge over the channel at Breckenridge Road was supported by timber piles and in poor condition due to scouring.  One challenge was to replace the bridge structure without disturbing the hydraulics of the new storm channel.

Other challenges included minimizing the need for easements and utility relocations to accommodate improvements, minimizing disruption to businesses and residential property owners, addressing traffic flow on Breckenridge Ave. during bridge reconstruction, and future traffic requirements for the bridge.

Harlem Baden Combined Storm & Sanitary Sewer Phase I
Client: St. Louis MSD
Owner: St. Louis MSD
Completion Date: Jun 2000
Const. Value: $300,000

The objective of this project was to increase the capacity of the combined sanitary/storm lines within a four-block area around Barrett Brothers Park. New junction boxes and manholes were designed to connect the new relief lines to existing lines and provide additional outlets for surface drainage. All of this is accomplished within a narrow strip of easement between homes in a mature neighborhood.

New Mississippi River Bridge carrying I-70
Client: Modjeski & Masters
Owner: Illinois DOT
Est. Completion Date: Jun 2003
Const. Value:

ABNA is working closely with the prime consultant Modjeski & Masters to provide various design and contract management services for this project.  Design services include surface drainage for the main span, levee relocation where the bridge touches down on the Illinois side, and designing inspection platforms.  Contract management services include invoice control, scheduling, and document control.

Metrolink Cross County Extension
Client: Cross County Collaborative
Owner: Bi-State
Est. Completion Date: Sep 2003

The program manager hired ABNA to establish the coordinate position of “second-order” monumentation markers for the entire 8-mile light rail extension section.  Fifteen (15) 1st order monuments were set.  Approximately 100 2nd order monuments 500’ apart along the 8-mile alignment.  ABNA provided route surveys for the alignment.  Also provided boundary surveys to establish ROW for the alignment.  ABNA prepared ROW plats to document ROW takings.  A monumentation manual was also developed by ABNA.

Lindbergh Tunnel
Client: URS Corporation
Owner: City of St. Louis/ MoDOT
Completion Date: Jan 2002
Const. Value: $60,000,000

This project includes the design of the south 1,120-foot section of tunnel planned to run beneath the new runway/taxiways in conjunction with the St. Louis Lambert Airport expansion plan.  ABNA will be designing the roadway approaches to the tunnel as well as the main roadway surface within the tunnel.  The roadway design also includes all subsurface and surface drainage and site plans.