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Rebuild of Leaky Pedestrian Tunnel on Washington State Capitol Campus

Sector: Water Supply and Storage • Location: Olympia, Washington, United States

Source: News From The States

Project
Planned

The project involves rebuilding an underground pedestrian tunnel connecting the John A. Cherberg and John L. O’Brien legislative buildings on the Washington state Capitol campus. The tunnel, about 85 years old, suffers from water leaks that damage the concrete and threaten structural integrity. The rebuild will include excavation, new waterproofing, external drainage installation, and structural r

Status
Prospective
Sector
Water Supply and Storage, Tunnel, Government, Cement, Waste Processing and Treatment
Location
Olympia, Washington, United States of America
Updated
22 Jul 2026
Source
News From The States

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The project “Rebuild of Leaky Pedestrian Tunnel on Washington State Capitol Campus” is an infrastructure initiative in the Water Supply and Storage sector, located in Olympia, Washington, United States. Taiyo aggregates data on it from News From The States.

Participants

Sponsoring Agency

Status

Original status

Planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The project involves rebuilding an underground pedestrian tunnel connecting the John A. Cherberg and John L. O’Brien legislative buildings on the Washington state Capitol campus. The tunnel, about 85 years old, suffers from water leaks that damage the concrete and threaten structural integrity. The rebuild will include excavation, new waterproofing, external drainage installation, and structural reinforcement.

Original sector

Built Environment

Budget

Location

Country

United States of America (USA)

State

Washington

City

Olympia

Source

Source

News From The States

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Tunnel, Government, Cement, Waste Processing and Treatment

Article published date

2025-06-07

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