Lolo Street Bridge Replacement and Water Main Construction

Missoula County is seeking bids for replacement of the Lolo Street Bridge, associated road and pedestrian improvements, and replacement of a City of Missoula water main suspended from the new bridge.

Missoula County > Missoula County Public Works Department


General
Open
09-2026-02
Oct 14, 2026 04:00 PM
Sep 17, 2026 12:00 PM
1 year 2 months
Invitation for/to Bid (IFB/ITB)
Local
Ask AI about this solicitation
Contact
jacob@djanda.com
+14067214320
2000 Maple Street, Missoula, MT, USA
Submission Instructions
Mail
Missoula County Public Works Department, 6089 Training Drive, Missoula, MT 59808
Bid Security, Pages 3-5 of Section 00300 - completed Bid Schedules, Page 7 of Section 00300 - Signature Page and Addenda Acknowledgement, Page 8 of Section 00300 - Information Required of Bidder, Agency required certifications
Description

Missoula County is soliciting construction bids for replacement of the Lolo Street Bridge over Rattlesnake Creek, including demolition of the existing bridge; construction of a prestressed concrete bridge with abutments, bridge rail, sidewalks, ADA ramps, approach guardrails, stormwater facilities, roadway reconstruction, pavement markings, erosion control, riprap, fencing, landscaping, and related site work. The project includes two bid schedules: Schedule A for bridge and general site work and Schedule B for water main replacement. Bidders must price both schedules, although the County may elect not to award Schedule B. Schedule B includes approximately 60 linear feet of 12-inch ductile iron water main, 140 linear feet of 14-inch ductile iron water main, 165 linear feet of pre-fabricated insulated 14-inch ductile iron water main suspended beneath the bridge, additional 10-inch and 6-inch water main, valves, fittings, air-release equipment, connections to existing mains, testing, casing and seals, and pipe hangers and connections. The work is subject to federal, state, and local requirements, including prevailing-wage requirements, Build America, Buy America requirements, environmental protections, and federal-aid contract provisions. A mandatory pre-bid conference is required, and bidders must submit a bid form, bid security, bidder information and qualifications, required certifications, and acknowledgment of addenda.

Classification Codes
NAICS237310Highway, Street, and Bridge Construction
PSCY1LBCONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
Smart Codes
bridge replacementwater main constructionroad reconstruction
Specifications
Service
Timeline
Sep 17, 2026-Bid Documents Available
Sep 30, 2026 04:00 PM-Mandatory Pre-Bid Conference (required)
Missoula County Public Works Office. Interested contractors are required to attend.
Oct 07, 2026 06:00 PM-Questions Due
Oct 14, 2026 04:00 PM-Bid Opening and Submission Deadline (optional)
Sealed 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%
  • Performance Bond
  • Payment Bond
Required
  • Minimum 3 references
  • Within the last 5 years
No
Location
Local Preference:Local Preference
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