Caltrans's Dec 3, 2026 letting: 3 proposals in 3 counties, led by install welded steel pipe; structural concrete; & alt pipe culvert · license a,c-8,c-12,c-42 work
Humboldt (1), San Bernardino (1), Santa Cruz (1) · 3 Caltrans districts · bids due through Bid Express
The California Department of Transportation has 3 proposals posted for its bid opening on Dec 3, 2026. The work is spread across 3 counties in 3 of Caltrans's twelve districts. Humboldt (1), San Bernardino (1) and Santa Cruz (1) have the most proposals. By Caltrans's own work-type labels, install welded steel pipe; structural concrete; & alt pipe culvert · license a,c-8,c-12,c-42 (1), bridge (1) and cold plane ac pvmt, rhma-g, replace ac surf, and minor conc · license a,c-12 (1) make up the largest share.
No addenda had been posted when this brief was generated. Check the proposal pages again before bidding, because addenda can come out up to the letting. For comparison, the previous advertised letting we tracked, on Dec 2, 2026, had 4 proposals. Counting this one, our table has 78 advertised proposals for 2026 lettings.
Every proposal on the Dec 3, 2026 letting
| Proposal | County | District | Caltrans work type | Addenda |
|---|---|---|---|---|
| 01-0H2464 | Humboldt | 1 | Install welded steel pipe; structural concrete; & alt pipe culvert · License A,C-8,C-12,C-42 | |
| 08-1L0904 | San Bernardino | 8 | Cold plane AC Pvmt, RHMA-G, replace AC Surf, and minor Conc · License A,C-12 | |
| 05-1K9014 | Santa Cruz | 5 | Construct bridge structure for fish passage restoration · License A,C-8,C-12 |
Where the work is, by district
- District 1 (Eureka): 1 proposal in Humboldt.
- District 5 (San Luis Obispo): 1 proposal in Santa Cruz.
- District 8 (San Bernardino): 1 proposal in San Bernardino.
What kind of work it is
Caltrans labels each proposal with a major work type. Here is what those categories usually involve, and how many proposals on this letting fall into each:
- Install welded steel pipe; structural concrete; & alt pipe culvert · License A,C-8,C-12,C-42 (1): work as described in the proposal documents. Proposals: 01-0H2464.
- Bridge (1): bridge construction, widening, rehabilitation or repair: piling, substructure and superstructure concrete, structural steel, joints and bearings. Proposals: 05-1K9014.
- Cold plane AC Pvmt, RHMA-G, replace AC Surf, and minor Conc · License A,C-12 (1): work as described in the proposal documents. Proposals: 08-1L0904.
The work type is only a label. The bid item list and plans for each proposal show the real quantities. Subcontractors and suppliers should price from those, not from the category.
How to bid
- Licensing: contractors need a CSLB license in the right classification, and public works contractors must register with the Department of Industrial Relations. See our Caltrans bidding guide.
- Advertisements: Caltrans lists every project out for bid on its Contracts Out for Bid page, with the bid opening date and county.
- Submitting: Caltrans says electronic bidding for major construction contracts is available through Bid Express.
- Subcontractors and suppliers: our county hubs list the firms in each county, for example Humboldt.
- Bonds: on public works over $25,000 the prime must post a payment bond (Civil Code § 9550).
Key dates
- Dec 3, 2026: advertised letting (bids due through Bid Express per the proposal instructions).
- Oct 31, 2026: first of these proposals appeared on Caltrans's letting page in our daily check.
- After the letting: bid results and award decisions on the project's Caltrans page.
More: all upcoming lettings · county hubs · state procurement registration for agency work outside Caltrans.
Spot an error? Email corrections to the editor. Facts in every story come from the sources listed above.