# 4D BridgePLUS Enterprise Annual Maintenance

Canonical: https://abierto.us/opportunities/693c7326q000010

- Solicitation number: 693C7326Q000010
- Notice type: Combined synopsis and solicitation
- Status: Closed. Deadline was March 30, 2026 at 10:00 AM EDT
- Department: Department of Transportation
- Agency: Federal Highway Administration
- Contracting office: 693C73 Eastern Fed Lands Division (693C73)
- NAICS: 513210 Software Publishers
- Product or service code: DH10 Platform delivered as a service for databases and middleware. A distributed platform, application and system integration resources enabling cross application development, communications and information sharing.
- Set-aside: Total small business set-aside
- Place of performance: Ashburn, Virginia
- County: Loudoun County (FIPS 51107). https://abierto.us/counties/loudoun-county-va-51107
- City: Ashburn. https://abierto.us/cities/ashburn-va-5103320
- First posted: March 24, 2026
- Last posted: March 24, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/ae91b2c811c349848b4ea7fa30c36c62/view

## Description

**NOTICE OF INTENT TO SOLE SOURCE:** THE EASTERN FEDERAL LANDS HIGHWAY DIVISION (EFLHD), OF THE FEDERAL HIGHWAY ADMINISTRATION (FHWA), INTENDS TO PROCURE FROM LARSA, INC., LOCATED IN MELVILLE, NY, MAINTENANCE SUBSCRIPTION FOR LARSA 4D BRIDGE PLUS SOFTWARE. LARSA, INC., IS THE SOLE AUTHOR AND DISTRIBUTOR OF THE SEGMENTAL BRIDGE ANAYLSIS AND DESIGN SOFTWARE, AND THE ONLY VENDOR THAT CAN PROVIDE TECHNICAL ASSISTANCE, SOFTWARE UPGRADES, AND MAINTENANCE.

THE LARSA 4D BRIDGE PLUS SOFTWARE IS THE ONLY SOFTWARE THAT CAN SATISFY THE OFFICE OF FEDERAL LANDS NEED FOR SOFTWARE THAT CAN PERFORM AN ANALYSIS AND DESIGN FOR CONCRETE SEGMENTAL BRIDGES. IN ORDER TO ASSURE THE SOFTWARE IS UP TO DATE WITH STANDARDS AND THE DESIGNERS HAVE SUPPORT ON HOW TO USE THE SOFTWARE, IT IS NECESSARY TO KEEP THE SOFTWARE COVERED BY A MAINTENANCE AND SUPPORT AGREEMENT. ALL RESPONSIBLE SOURCES MAY SUBMIT A QUOTATION WHICH, IF RECEIVED TIMELY, WITHIN 6 DAYS OF THE POSTED DATE, SHALL BE CONSIDERED BY THE AGENCY.

## Publications

- March 24, 2026: Combined synopsis and solicitation, due March 30, 2026 at 10:00 AM EDT. Notice ae91b2c811c349848b4ea7fa30c36c62. https://sam.gov/workspace/contract/opp/ae91b2c811c349848b4ea7fa30c36c62/view

## Points of contact

- KYUNG PARK, kyung.park@dot.gov, 7034046325
- REGINA P MCDONALD, Regina.McDonald@dot.gov, 7034046268

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/693c7326q000010.