Route 210 to Interstate 215
Freeway Connectors, San Bernardino
SANBAG obtained environmental clearance in July 2007 for two high-speed connectors to be built between State Route 210 (SR-210) and Interstate 215 (I-215). These large flyover ramps will link eastbound SR-210 to southbound I-215, as well as northbound I-215 to westbound SR-210.
The connectors originally were planned to be built as part of the SR-210 construction contract, but this work was removed from the project in 2001 when geologists discovered a new seismic phenomenon known as “fault rupture” in the area. While engineers in California have regularly had to design freeways and bridges to address seismic issues, “fault rupture” reacts differently than other seismic conditions.
This phenomenon requires the consideration of not only seismic faults, but also the likely event of liquefaction due to a high water table. The result of this discovery was that the design of the two long bridges connecting the two freeways would have to be reconsidered by a panel of technical experts that included geologists and structural engineers.
The connectors were removed from the project to avoid delays to the SR-210 construction schedule. If the connectors had remained part of the SR-210 scope of work, the freeway opening would have been delayed by several years, preventing traffic congestion relief within this corridor and other east-west freeways, like I-10 and SR-60.
The connectors will be built in conjunction with the widening of the section of I-215 north of Massachusetts Avenue in San Bernardino. Final design of the connectors and the I-215 Widening Project is complete. Construction on the connector ramps began in 2010 and are expected to be complete by 2013. Funding for this portion of the project includes a combination of state and Measure I revenue. See I-215 Widening, Phase IV for additional information.
Until the connectors are built, motorists traveling east on SR-210 who wish to transition to southbound I-215 should use the State Street off-ramp in San Bernardino, turn south on State Street, then head east on 20th Street, north on California Street, east on Highland Avenue, and enter I-215 using the Mt. Vernon Avenue/27th Street on-ramp. Motorists traveling north on I-215 who wish to transition to westbound SR-210 should use the Mt. Vernon Avenue/27th Street off-ramp, head west on Highland Avenue, then turn south on California Street, west on 20th Street, and enter SR-210 using the State Street on-ramp.