Each day, an estimated 72,500 vehicles cross a bridge on the southbound lanes of Highway 101 over railroad tracks at the Montalvo Metrolink station in Ventura.
In Santa Barbara County, bridges on the northbound and southbound lanes of Highway 101 over San Jose Creek, west of Highway 217 in Goleta, carry about 60,500 vehicles every day.
And in northern San Luis Obispo County, a Highway 101 bridge in Templeton takes about 31,000 vehicles every day over Las Tablas Road.
All of these bridges are considered to be in “poor” condition by the Federal Highway Administration, making them some of the highest-trafficked bridges in the tri-county region with a “poor” rating.
According to FHA data, there are at least 71 bridges in the region in poor condition, including some along Highway 101 and major arterial roads that see tens of thousands of vehicles each day. Santa Barbara County has 30 bridges in poor condition, San Luis Obispo County has 24 and Ventura County has 17.
There are 1,309 total bridges across the tri-counties in the FHA’s database; 53% are rated in “good” condition and 41% in “fair” shape. The federal database uses bridge records included in the 2020 National Bridge Inventory, a collection of bridge element data submitted to the FHA by states and federal agencies.
The bridge that collapsed Jan. 28 in Pittsburgh, Pennsylvania was rated “poor” by the FHA. However, a “poor” rating does not mean a bridge is “necessarily unsafe to drive on,” said John Waddell, a deputy director of the San Luis Obispo County Public Works Department.
Bridges found to be in “poor” condition need “a significant amount of work” and have “appropriate restrictions,” such as weight limitations, Waddell said.
“There’s signage or traffic control to reduce risk, so you don’t have a large city bus driving over a bridge and it collapses like in Pennsylvania,” he said.
Bridges in “fair” condition are showing some wear and might need maintenance work in the future, Waddell said, but many don’t have any repairs currently recommended.
San Luis Obispo County has plans to replace several bridges rated “poor” and perform significant repair work to get others out of the “poor” category, but it’s a multi-year process, Waddell said.
https://www.pacbiztimes.com/2022/02/10/federal-state-authorities-flag-71-bridges-in-tri-county-region-as-poor/