WOHLER ROAD BRIDGE REPLACEMENT

Client

Sonoma County DPW​

​

Location

Santa Rosa, CA​

​

Status

Stage 1 - Bridge CIDH Pile Foundations

(15% Completed)

​

Construction Cost

$4.6 Million (Estimated)

​

Stakeholders

FHWA, Caltrans, CDFWL, RWQCB, USACE,

Sonoma County Water Agency,

Forestville Water District, Local Vineyards

​

Description

This project includes construction of a new 3 span, cast in place, reinforced, post tensioned slab bridge over Mark West Creek, on Wohler Road. The new bridge will be constructed on a new alignment and supported by cast in drill hole (CIDH) piles. Construction will be performed over two seasons with a suspension of work in effect during the wet season.

​

Services

PreScience provides Full CM Services including: Resident Engineering and Structure Rep, Structure and Civil Inspections, Labor Compliance, Construction Surveying (Green Valley Consulting Engineers), Materials Testing (Inspection Services Inc.), and CIDH GGL Testing (Abe Construction Services).

​

Challenges

Thus far, the key project challenges have been environmental compliance, schedule management due to the COVID-19 pandemic, CIDH saft piling at a semi remote project location, and stakeholder coordination.