Lolo Street Bridge Replacement and Water Main Construction

Missoula County Public Works is seeking bids to replace the Lolo Street Bridge and complete associated road, sidewalk, and suspended water main construction, with bids due November 19, 2026, at 10:00 a.m. Mountain time.

Missoula County > Public Works Department


General
Open
10-2026-02
Nov 19, 2026 05:00 PM
Oct 29, 2026 12:00 PM
Invitation for/to Bid (IFB/ITB)
Local
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Original Solicitation Links
Contact
kelsey@djanda.com
+14067214320
2000 Maple Street, Missoula, MT, USA
Submission Instructions
Mail
Missoula County, Public Works Department, 6089 Training Drive, Missoula, MT 59808
Description

The project involves removing and replacing an existing bridge with a new prestressed-concrete bridge, along with associated abutments, sidewalks and pedestrian ramps, roadway reconstruction, stormwater improvements, guardrails, fencing, erosion controls, and site restoration. Work also includes replacing the city water main and suspending an insulated ductile-iron section beneath the new bridge. The bridge/site work and water main work are priced under separate bid schedules; bidders must submit prices for both, although the County may choose to award only the bridge and site-work schedule. The solicitation includes construction plans, water-main plans, a project manual, a geotechnical report, permit authorization, and slope-easement documents. The bid must include a bid security equal to 10% of the maximum bid price, the completed bid schedules and signature/addenda-acknowledgment pages, bidder information and qualifications, DBE good-faith-effort documentation, and a debarment certification. The project requires at least three comparable bridge-replacement projects completed within the past five years, relevant water-main experience, and specified experience for the superintendent and project manager. The work is to be substantially complete by January 31, 2028.

Classification Codes
NAICS237310Highway, Street, and Bridge Construction
PSCY222Construction of Highways, Roads, Streets, Bridges, and Railways (includes resurfacing)
Smart Codes
bridge replacement constructionroad and sidewalk constructionwater main replacement
Specifications
Supply & Service
Timeline
Oct 29, 2026-Opportunity posted
Nov 12, 2026 07:00 PM-Questions deadline
Nov 19, 2026 05:00 PM-Bid submission deadline and public opening (optional)
Sealed bids are submitted to Missoula County Public Works Department; bids will be opened and read aloud at the Missoula County Public Works Office.
Requirements
Required
  • Workers' Compensation
  • Employer's Liability — $1,000,000.00
  • Commercial General Liability — $1,000,000.00
  • Automobile Liability — $1,000,000.00
  • Builder's Risk / Property Insurance
Required
  • Bid Bond — 10%
Required
  • Minimum 3 references
  • Within the last 5 years
No
Location
Local Preference:Local Preference
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