Since its inception in 1997, Endesco has been successfully delivering projects with high quality, within client-agreed schedule and budget. This page provides a snapshot of the featured projects that Endesco has completed, or is currently working on, in the recent years. Contact us for the company portfolio or more information about certain projects.

  • Name: The Maryland-National Capital Purple Line Project in Montgomery and Prince George’s Counties, MD (Design/Build)

    Owner: MTA and MDSHA

    Description: In this Public-Private-Partnership (P3) Design-Build project to build a 16-mile light rail system connecting major urban center in the north Washington D.C. metro area, Endesco designed ESD facilities such as bio-retentions, sand filters, micro-bio-retentions for stormwater quality and quantity management to fit in the extremely confined public right of way. Endesco also designed complicated multiple-phased erosion and sediment control strategies that integrate with the construction of light rail system and associated demolition and rebuilding of affected buildings, parking lots and trail. Endesco also performed design services in roadway and site development for the project.

    Name: US Route 1 Neabsco Creek Bridge Replacement, Prince William County, VA

    Owner: VDOT

    Name: I-66 & Route 15 Interchange Reconstruction, Prince William County, VA

    Owner: VDOT

  • Name: Annapolis Road / Waterview Avenue Project, City of Baltimore, MD

    Owner: City of Baltimore, MD

    Name: MD 212A Powder Mill Road Streetscape, MD

    Owner: MDSHA

    Name: InterCounty Connector (Design/Build) Contracts A and B, Montgomery County, MD

    Owner: MTA and MDSHA

    Description: In this award-winning Design-Build project that built the state-of-art electronical tolling expressway, Endesco was responsible to develop SWM facilities (such as grass channels, underground storm filter, and bio-retentions), culvert designs, and phased erosion & sediment control plans to match the phased construction program. Endesco also designed plans for maintenance of stream flow, obtained the necessary MDE approvals, and provided RFI and as-built services during and after the construction.

  • Name: I-95 Express Lanes in Northern Virginia

    Owner: VDOT

    Description: This Public-Private Partnership (P3) project provides 33 miles of HOT Lanes from Stafford County to Fairfax County. Endesco performed hydrologic and hydraulic analysis, drainage design, stormwater management, and erosion and sediment control design. Endesco utilized GIS technology to perform drainage area data for all storm drainage systems, MS-19 analysis, H&H analysis and stormwater management design. Endesco prepared all required drainage areas maps for this project. Endesco performed post design services for any drainage related tasks including Field design changes, shop drawing, and as-built plans and computations.

    Name: MDE Review Services for BRAC projects in Aberdeen, MD

    Owner: US Army Corps of Engineers

    Name: Route 236 (Little River Turnpike) Corridor Improvement, Fairfax County, VA

    Owner: VDOT

  • Name: Route 123 (Chain Bridge Road) Bridge Replacement

    Owner: Fairfax City, VA

    Name: NPDES Stormwater Management Retrofits Montgomery County, MD

    Owner: Montgomery County, MD

    Name: Washington Metro Silver Line/Dulles Metrorail Phase II

    Owner: Metropolitan Washington Airports Authority

    Description: In this Design-Build Washington metro rail extension project, Endesco verified, established, and updated existing and proposed drainage areas for all drainage structures. Endesco performed inlet, storm sewer, HGL, minor culvert, underdrain, track drain analysis and design. Endesco provided all necessary VDOT and/or WMATA hydrologic and hydraulic analysis reporting information in a format suitable to the reviewing agencies and preparing drainage plans and details necessary for plan approval.

  • Name: VDOT Limited Services Term Contracts for Providing New Design Plans of Highway Structures and Bridges - Salem District, VA

    Owner: VDOT

    Description: In this on-call contract that involved multiple bridge replacement projects, Endesco performed scour and river mechanical analyses that provided the critical basis to determine the appropriate bridge supports, designed drainage system, and provided stormwater management and erosion sediment design to ensure the project meet all DEQ and VDOT environmental requirements.

    Name: Waterfront Lighting Study and Design

    Owner: City of Alexandria, VA

    Name: Green Complete Street Improvements-Edmonston Road from 51st Street to Kenilworth Avenue, Prince George’s County, MD

    Owner: Prince George’s County, MD

  • Name: Old Town Undergrounding / Phase 3

    Owner: City of Alexandria, VA

    Name: Construction bid documents for the Charles Houston Recreation Center Undergrounding project

    Owner: City of Alexandria, VA

    Name: New York Ave–Florida Ave–Gallaudet U Metro Station, Washington D.C.

    Owner: Washington Metropolitan Area Transit Authority

    Description: In this award-winning project that added a new metro rail station at an economically underdeveloped urban neighborhood, Endesco prepared Traffic Control Plans (TCP) to enable construction of the new WMATA bridge extensions and Metropolitan Branch Trail Bridge over M Street and Florida Avenue. Endesco also performed streetlight design including photometric analysis, duct bank runs, conduit, pole, fixture and luminaires, in compliance with relevant DDOT, NEC, AASHTO and IESNA guidelines and requirements. Endesco also designed the traffic signs and pavement marking for the project, based on MUTCD and DDOT standards.

  • Name: Trinidad Playground Renovation

    Owner: District of Columbia Department of Parks and Recreation

    Name: Rockville Evangelical Mission Church

    Owner: REM Church