Vallejo’s Sacramento Street Bridge Replacement project was completed on June 15, 2022, commemorating the replacement of the old Structural Steel Navy structure built over the Mare Island Railroad at Sacramento Street in 1913.
Vallejo’s Sacramento Street Bridge Replacement project was completed on June 15, 2022, commemorating the replacement of the old Structural Steel Navy structure built over the Mare Island Railroad at Sacramento Street in 1913. This marks the end of the 15 month construction phase which included some project firsts including:
- An intricate underground network of homeless tunnels with many tentacles.
- Large underground cavities and chambers.
Despite these challenges, this project was completed on budget.
Substrate provided comprehensive construction management services for the Sacramento Street Bridge replacement for the City of Vallejo. Substrate provided the Resident Engineer/Structure’s Representative and Senior Inspector and oversaw the entire project from pre-development to post-development. The CM team also consisted of sub-consultants Consolidated Engineering Labs, who performed material and source reviews; and Verux, Inc, who performed SWPPP QA inspections.
The main work elements for this project were the following:
- Project Cost: Approximately $9 million (completed within 10% quota)
- Project duration: 15 months
- Bridge type: post-tensioned plate bridge cast in situ (29 tendons)
- Total amount of concrete placed in the bridge: 1486 CYDs (237,760#)
- Foundation: (23) Grouted 42 inch diameter borehole, wet piles, 54 feet deep
- Retaining Walls (Tot 3): Soldier stake ground anchor walls with 3 tiers of ties and concrete cladding
- Replaced and updated city water lines, storm drains and sewage systems
- 4 paved city streets: Sacramento, Farragut, Illinois and Yolo. Total HMA: 1605 tons
- Over 2000 LF of new sidewalk, curb and gutter
14 private TCE packages: work includes driveways, stairs, planters, sidewalks, retention…
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