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  5. ›Replace bridge, widen Rdwy, railroad, drainage, Elect and…

California Department of Transportation·California

Replace bridge, widen Rdwy, railroad, drainage, Elect and landscape.

Closes 11/18/2026$6M – $12MInvitation for Bid
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Description

This Caltrans project calls for a comprehensive replacement of an existing bridge and associated infrastructure, including roadway widening, railroad modifications, drainage upgrades, electrical work, and landscaping within Sonoma County. The scope demands heavy civil construction capabilities and appropriate state contractor licensing. • Bridge replacement and related structural work • Roadway widening, railroad adjustments, and drainage improvements • Electrical system upgrades and site landscaping • Estimated contract value $120 million, lasting approximately 1,350 working days (≈5.5 years) • Mandatory pre‑bid conference on 3 Nov 2026; bid submission deadline 18 Nov 2026

Attached files

Contact

[email protected]

(916) 227-6299

Key dates

Opened
10/5/2026
Pre-bid meeting
11/3/2026Mandatory
Closes
11/18/2026
Duration
1350 days

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
237310
Solicitation №
04-1Q76U4

Budget estimate

$6,000,000 – $12,000,000

The announced contract value is roughly $120 million. Assuming a typical contractor profit margin of 5‑10 % for large civil infrastructure projects, the net earnings for the prime contractor would likely fall between $6 million and $12 million. This range accounts for project complexity, risk, and the need for specialized licenses and equipment.

AI estimate from the solicitation

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