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Addison Underbridge

September 30, 2022 By Mysti Nundahl

The Addison Underbridge, now known as the RiverView Bridge, located in Chicago, IL is a 16-span, 1010-foot-long curved, concrete box girder pedestrian structure.  Westbrook provided a peer review and construction engineering services for analysis of the Addison Underbridge structure.  The longest span of the structure also featured a tight reverse curve, which required advanced analysis to evaluate the torsional stresses, bearing restraints for uplift, and long-term serviceability implication due to the torsional deflections.  Additionally, Westbrook provided the design of the formwork and falsework system for the structure, including the camber diagrams for the reverse curves.

 

Filed Under: News

HS Senior Scholarship Opportunity

September 8, 2022 By Mysti Nundahl

Westbrook is pleased to offer local high school seniors a chance at our scholarship if pursuing civil engineering at an accredited four-year college or university. The form has also been sent out to all local high school counselors. The criteria are the following:

Criteria:

  • Planned entry or eligibility for entry into a full-time undergraduate study at an accredited four-year college or university with a declared major of Civil Engineering.
  • The scholarship will be paid to the student following successful completion of the 1st semester and proof of enrollment of the 2nd semester.

Submit, along with your high school transcripts, to Westbrook Associated Engineers, Inc., Attn: Malissa Dischler, 619 East Hoxie Street, PO Box 429, Spring Green, WI 53588
Or e-mail to Malissa at mdischler@westbrookeng.comscholarship time

Wishing you all high school seniors a fantastic year! Make the best of it!

Filed Under: News

Village of Waterford Fox River Bridge

September 1, 2022 By Mysti Nundahl

This is a great article about the WIS 20 Reconstruction project in the Village of Waterford, Racine County, Wisconsin. Westbrook would like to bring specific notice to the portion under Unique Project Needs about the Fox River Bridge in which we designed. Westbrook was responsible for all structural design for this urban reconstruction project, and the structure plans for this project consisted of:
• Two-span prestressed girder bridge with a total length of 152’-6”.
• Six (6) soldier pile walls. Westbrook suggested using soldier pile walls to eliminate any right-of-way impacts to the front yards in this residential corridor.
• One Mechanically Stabilized Earth (MSE) retaining wall.
Westbrook developed structural staging plans for the prestressed girder bridge to be constructed in stages allowing traffic and pedestrians use of part of the existing structure during Stage 1. During Stage 2, traffic was switched on to the Stage 1 portion of the new structure. Highlights of the structure included two pedestrian sidewalks, two dedicated bike lanes, two traffic lanes, and a turn lane. The structure had a clear roadway width of 53′-0″ and an out-to-out structure width of 69′-0″.
Village of Waterford, Racine County, WI Fox River Bridge

Filed Under: News

Soil Nail Walls – Hoffman Estates, IL

August 4, 2022 By Mysti Nundahl

Recently Microsoft started construction on two new data centers in Hoffman Estates, IL. Stalworth partnered with Westbrook for the design of two soil nail walls to serve as earth retention systems (ERS) at the site. Prior to construction, the 53-acre site was an undeveloped plot which required leveling and ground preparation. At the west side of the site, (2) permanent earth retention systems were required in order to provide level grade near the property line. Westbrook’s experience in construction engineering includes Soil Nail Walls for both temporary and permanent applications.

Soil nail walls are typically installed starting at the top of the excavation, and are constructed in layers as the excavation proceeds down to the bottom. In a soil nail wall Earth Retention System (ERS), the shotcrete face holds the soil in place between the soil nails. The soil nails are drilled at a downward angle into the soil behind the facing and are held in place by grouting. The regularly spaced nails hold the soil together as a single composite mass to prevent movement.

Soil-nailing-construction-sequence
Soil Nailing Construction Sequence

Together, Westbrook and Stalworth, designed and installed over 6,600 square feet of wall, with approximately 325 soil nails, while accommodating for existing site conditions and future site drainage plans. Design and construction also included testing procedures and review for the as-built conditions.

Soil Nail Wallsoil nail walls - CHI-05 Microsoft

Filed Under: News

CTH JB over Fox River

July 13, 2022 By Mysti Nundahl

CTH JB over Fox River in Kenosha County, WI is a three-span prestressed girder bridge with a reinforced concrete deck 204-feet in length. Large spalls and extensive cracking in the existing bridge deck prompted an emergency inspection in September 2021. This inspection resulted in shutting down the roadway due to excessive delamination of the deck and section loss of the reinforcing steel. Westbrook was hired by the County to expedite a bridge deck replacement design. The project was bid in January and construction was underway by the end of March 2022. Westbrook’s duties on this project consisted of emergency inspection, developing design plans and bidding documents, and on-site construction inspection. The CTH JB over Fox River bridge deck replacement was completed on schedule and within budget.

CTH JB over Fox River Bridge Deck Replacement CTH JB over Fox River Bridge Deck Replacement CTH JB over Fox River Bridge Deck Replacement

Filed Under: News

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Latest News

  • Addison Underbridge
  • HS Senior Scholarship Opportunity
  • Village of Waterford Fox River Bridge
  • Soil Nail Walls – Hoffman Estates, IL

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Westbrook Associated Engineers, Inc.
619 East Hoxie Street
Spring Green, WI 53588
Phone (608) 588-7866

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