# Cedar Rapids Ionwave #3318551-01 Addendum 9

8th Avenue Bridge Replacement, Cedar River Floodwalls, and Related Improvements

**Posted:** August 26, 2026
**Respond By:** November 12, 2026
**Identifier:** 3318551-01 Addendum 9
**NAICS:** 237310, 237990, 238190

The City of Cedar Rapids is seeking bids for a major bridge replacement and flood-protection project over the Cedar River.
- **Buyer:** City of Cedar Rapids, Public Works Department, Iowa; project Contract No. 3318551-01.
- **Scope:** Demolish the existing 8th Avenue Bridge and build a new cable-stayed bridge with floodwalls and related roadway, traffic, sidewalk, trail, utility, and lighting improvements.
- **OEMs and vendors:** No bridge, stay-cable, or construction-material OEMs are named. **Stanley Consultants** is identified in connection with the MSE wall stability analysis.
- **Key bid items:** Stay Cable System (SP-020), 1 lump sum; Demonstration Shaft (2433-0003000), 65 LF; Steel HP 14 x 73 Piles (2501-0201473), 17,080 LF.
- **Additional quantities:** Subbase Modified 6-inch (2010-J), 15,221 SY; Shared Use Path PCC 8-inch Class C Mix (7030-C), 1,471 SY; Sidewalk PCC 6-inch Class C Mix (7030-E), 3,526 SY; Sod (9020-A), 15,558 SY; Filter Sock 12-inch (9040-D-1), 12,981 LF; Filter Sock Removal (9040-D-2), 12,981 LF; Removal of Light Poles (2401-6745765), 12 EACH.
- **Test-pile items in the attachments:** HP 14x73 H-piles, 4 at 50 feet each; PZC-26 sheet piles, 2 at 50 feet each. These supported a test program and are not stated as additional main bid quantities.
- **Notable requirements:** The stay-cable system must retain its integral passive ice-management profile. Buy America compliance and project-specific written FHWA concurrence on the cable-system classification and U.S. manufacturing plan are required before affected materials are incorporated. The addendum states that no corrosion-protection coating is required.
- **Construction and preservation considerations:** Bridge demolition includes salvaging 600 feet of railing for public distribution, 40 feet of railing and posts for public art, and at least 16 feet of variable-depth steel girder. Lead was detected in bridge paint, so applicable removal and public-protection measures apply. The documents also address vibration and noise monitoring, temporary traffic control, MSE-wall and foundation coordination, and protection of utilities and nearby structures.
- **Estimated value:** Approximately $123 million.

### Description

Work generally consists of demolishing the existing bridge and constructing a new cable-stayed river bridge with integral flood-control system components. The scope also includes approach roadways, traffic improvements, sidewalks, trail reconstruction, utility reconstruction, and lighting. The project is located in Cedar Rapids, from 1st Street SW to 3rd Street SE along 8th Avenue SE/SW and Diagonal Drive SW. The engineer’s opinion of probable cost is $123,000,000, and final completion is 1,250 calendar days.

[View original listing](https://citycrbids.ionwave.net/PublicDetail.aspx?bidID=1973&SourceType=1)