This information relates to alternatives that were studied for the new Sauvie Island Bridge that was completed in 2008.

Detailed below are descriptions for seven new bridge corridors to provide access to Sauvie Island. One corridor would connect the island to the Rivergate Industrial Area, and six alternatives would connect Sauvie Island to US Highway 30. The bridge alternatives do not identify a specific bridge crossing alignment, but rather a corridor in which it may be possible to construct a new bridge. Although approximate bridge span lengths have been provided for each alternative, the actual length will be determined by a specific alignment for any of the alternatives. No costs are presented for any of the bridge crossing alternatives. Multnomah County has not ranked these preliminary bridge crossing corridor alternatives.

Bridge Crossing Alternatives

The seven bridge crossing alternatives are described below. These descriptions on based on the likely connection from Sauvie Island roads to connections off the island. Because only bridge crossing corridors have been identified, the descriptions are general in nature. In addition to the actual bridge spans, each corridor would likely require the construction of new roads or the improvement to existing roads both on and off Sauvie Island.

Rivergate Corridor: This alternative would extend from Gillian Loop Road across the Willamette River to Lombard Street in the Rivergate Industrial Area. The bridge span would be approximate 8350 feet in Length.

Newberry Road Corridor: This alternative would extend from south of Gillihan Loop Road across the Multnomah Channel and Newberry Road to US Highway 30. On the island side, a new road connection would be needed between the bridge approach and Gillihan Loop Road. The bridge span would be approximate 1980 feet in length.

Gillihan Road Corridor: This alternative would extend from Gillihan Loop Road across the Multnomah Channel to US Highway 30. The bridge span would be approximate 1665 feet in length.

Existing Bridge Corridor: This alternative would extend from Sauvie Island Road across the Multnomah Channel to US Highway 30. Under this alternative, it may be possible to construct a new bridge on either the south or north sides of the existing Sauvie island Bridge. The bridge span would be approximate 1515 feet in length.

Reeder Road Corridor: This alternative would extend from Reeder Road, near the intersection with Sauvie Island Road, across the Multnomah Channel to US Highway 30. The bridge span would be approximately 3409 feet in length.

Cornelius Pass Road Corridor: This alternative would extend from Ferry Road on Sauvie Island across the Multnomah Channel to US Highway 30 at the intersection with Cornelius Pass Road. The bridge span would be approximate 3050 feet in length.

Rocky Point Corridor: This alternative would extend from Sauvie Island Road across the Multnomah Channel to US Highway 30 near the intersection with Lower Rocky Point Road. The bridge span would be approximate 1980 feet in length.

Participants at the public workshop on March 12 recommended two other corridors for a new Sauvie Island Bridge for further study:

South Tip of Island Corridor: This alternative connects the south tip of island with an industrial area on mainland near Highway 30.

Morse Brothers/Angel Corridor: This alternative connects the south end of island with the area north of Newberry Rd on mainland near Highway 30.