Source provides theory on why concrete is falling from Richmond-San Rafael Bridge

SAN RAFAEL,Calif. (KGO) — The Richmond-San Rafael Bridge was closed due to falling chunks of concrete on Thursday. A high-level source who works with engineers on the bridge project tells me they believe they’ve identified the cause. VIDEO: Here’s where concrete chunks on Richmond-San Rafael Bridge came from, fell It’s an expansion joint on the […]

Source provides theory on why concrete is falling from Richmond-San Rafael Bridge

SAN RAFAEL,Calif. (KGO) — The Richmond-San Rafael Bridge was closed due to falling chunks of concrete on Thursday. A high-level source who works with engineers on the bridge project tells me they believe they’ve identified the cause. VIDEO: Here’s where concrete chunks on Richmond-San Rafael Bridge came from, fell It’s an expansion joint on the […]

Carquinez Bridge joint near Vallejo showing premature wear

The California Department of Transportation says a seismic expansion joint on the westbound side of the San Francisco Bay Area’s Carquinez Bridge has premature wear.The San Francisco Chronicle reports that a Caltrans official explained the problem to an oversight panel Wednesday.The $240 million steel suspension span over the Carquinez Strait near Vallejo was completed in […]