State Route 900 trail connector hits bump

November 16, 2010

Unstable soil causes crews to dig deeper

Construction crews continue work on a trail connector at Interstate 90 and state Route 900. Crews had to dig a little deeper last month to find stable soil for concrete-and-steel piers. By Greg Farrar

The trail connector under construction at Interstate 90 and state Route 900 hit a bump in the road last month, as crews had to dig deeper to reach a sturdier soil layer to support a series of concrete-and-steel piers.

City engineers said the extra digging is not expected to delay the project. The connector — arranged along almost one-third of a mile from the state Route 900 boardwalk on the south side of the interstate to the Sammamish Trail on the north — should be completed in April.

Crews needed to find a solid surface to support the piers and had to dig 20 feet to 30 feet deeper than initially estimated to find a bearing layer. The snag prompted the Issaquah contractor C. A. Carey Corp. to bring in additional equipment to complete the digging.

“It’s still kind of a concern, but they’re continuing to work and we’re working through the issues between us and WSDOT and the contractor,” city Public Works Engineering Director Bob Brock said.

Plans call for the completed connector to feature a 12-foot-wide pedestrian bridge across the westbound interstate on-ramps, plus a 10-foot-wide pedestrian crossing on the existing state Route 900 overpass.

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Plan for state Route 900 lane closure

July 20, 2010

Expect changes on northbound state Route 900 as construction starts this week on a trail connector across Interstate 90.

The initial phase calls for the northbound high-occupancy vehicle lane on state Route 900 to temporarily close. The contractor, Issaquah-based C. A. Carey Corp., also plans to narrow the driving lanes on state Route 900 between the interstate’s eastbound off-ramp and westbound on-ramp.

City engineers expect the project to prompt future closures of the HOV lane on the westbound on-ramp.

City Council members picked a contractor for the nearly $5.3 million project last month. The city has steered about $341,000 to the project, and received grants to cover the rest of the tab.

Plans call for a separate 12-foot-wide pedestrian bridge across the westbound I-90 on-ramps and modifications to the existing state Route 900 overpass to install a 10-foot-wide pedestrian crossing.

Trail construction prompts state Route 900 lane closure

July 19, 2010

NEW — 1 p.m. July 19, 2010

Expect changes on northbound state Route 900 as construction starts this week on a trail connector across Interstate 90.

The initial phase calls for the northbound high-occupancy vehicle lane on state Route 900 to temporarily close. The contractor, Issaquah-based C. A. Carey Corp., also plans to narrow the driving lanes on state Route 900 between the interstate’s eastbound off-ramp and westbound on-ramp.

City engineers expect the project to prompt future closures of the HOV lane on the westbound on-ramp.

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City Council picks builder for SR 900 trail link

June 29, 2010

The planned trail connector across Interstate 90 at state Route 900 inched closer to reality June 7, after the City Council awarded a nearly $5.3 million contract to build the link.

The council selected the lowest bidder, Issaquah contractor C. A. Carey Corp. Grants — including $400,000 from Sound Transit — offset most of the project cost. The city contributed about $341,000 toward the link. Construction should start in July and last about eight months.

Plans call for a separate 12-foot-wide pedestrian bridge across the westbound I-90 on-ramps and modifications to the existing state Route 900 overpass to install a 10-foot-wide pedestrian crossing. Critics questioned the proposed location, but the council decided last year to proceed.

The project aims to complete a trail about 1,600 feet long, between the end of the state Route 900 boardwalk at the eastbound I-90 off-ramp on the south side of the interstate, and the Sammamish Trail on the north.

Transportation officials said the project should improve safety for pedestrians and bicyclists along state Route 900.

City Council picks builder for state Route 900 trail link

June 12, 2010

NEW — 6 a.m. June 12, 2010

The planned trail connector across Interstate 90 at state Route 900 inched closer to reality Monday, after the City Council awarded a nearly $5.3 million contract to build the link.

The council selected the lowest bidder, Issaquah contractor C. A. Carey Corp. Grants — including $400,000 from Sound Transit — offset most of the project cost. The city contributed about $341,000 toward the link. Construction should start in July. Construction should last about eight months.

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State OKs permit for state Route 900 trail connector

May 4, 2010

The state Department of Transportation has issued a construction permit for a $6 million trail connector across Interstate 90 at state Route 900

The project aims to complete a trail about 1,600 feet long, between the end of the state Route 900 boardwalk at the eastbound interstate off-ramp on the south side of the interstates and the Sammamish Trail on the north.

The trail will be built on a freestanding structure across the westbound on-ramp, and then continue on the existing bridge structure across the interstate.

Transportation officials said the project should improve safety for pedestrians and bicyclists along state Route 900. The project required a DOT permit because work will take place within state right-of-way. Transportation officials will open construction bids for the project May 13.

Most of the project price tag will be funded through grants, including $400,000 from Sound Transit. The city contributed about $341,000.

City Council OKs agreements to build I-90 trail connector

February 19, 2010

NEW — 7:55 a.m. Feb. 19, 2010

A pedestrian connector designed to bridge Interstate 90 will move ahead, after City Council members approved important agreements for the project Tuesday.

The project aims to complete a trail about 1,600 feet long, between the end of the state Route 900 boardwalk at the eastbound I-90 off-ramp on the south side of the interstate, and the Sammamish Trail on the north.

Transportation officials said the project should improve safety for pedestrians and bicyclists along SR 900. Critics encouraged planners to build the crossing at another location, to no avail.

The agreement between Issaquah and the state Department of Transportation shifts the requirement for maintenance of the connector from the agency to the city. The pact also allows the city to use some of the state right-of-way for the link.

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Council puts aside reservations, accepts $400,000 trails grant

December 29, 2009

A planned bridge across Interstate 90 carries flaws, but the project will improve safety for bicyclists and pedestrians, City Council members said last week. Read more

Council puts aside reservations, accepts $400,000 trails grant

December 26, 2009

NEW — 6 a.m. Dec. 26, 2009

A planned bridge across Interstate 90 carries flaws, but the project will improve safety for bicyclists and pedestrians, City Council members said Monday night.

The council accepted a $400,000 Sound Transit grant to complete a $6 million link from the state Route 900 boardwalk at the eastbound I-90 off-ramp south of the interstate to the Sammamish Trail at the north end. Issaquah would contribute $341,000 toward the project; grant money will pick up most of the tab.

“We claim ourselves to be a walkable city, and this will help in that effort,” Councilwoman Eileen Barber said.

Although council members raised safety questions about the connector, the council accepted the grant in a 6-1 vote. Councilman David Kappler, a longtime trails advocate, voted against the proposal.

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Safety questions surface about I-90 trails link

November 24, 2009

trail-grant-i90-plans-20091A plan to add a bridge over Interstate 90 for bicyclists and pedestrians — a project with a nearly $6 million price tag — drew criticism from City Council members last week.

The project would complete a trail about 1,200 feet long, between the end of the state Route 900 boardwalk at the eastbound I-90 off-ramp on the south side of the interstate, and the Sammamish Trail on the north. But critics said overpasses at other locations would better serve pedestrians, and council members raised safety concerns about the project.

The project would complete a missing link and provide a way for bicyclists and pedestrians to traverse the interstate. The connector would also provide a link for bicyclists and pedestrians to the Issaquah Transit Center, about a half-mile south of the interstate.

The key pieces of the connector would include a separate 12-foot-wide pedestrian bridge crossing the westbound I-90 on-ramps and modifications to the existing state Route 900 overpass to install a 10-foot-wide pedestrian crossing. The northern terminus of the project would be Northwest Sammamish Road, while the southern terminus would be the I-90 eastbound off ramp, where the trail would connect with the boardwalk.

Next up: Council Transportation Committee members will discuss a proposal Dec. 3 to accept $400,000 from Sound Transit toward the project. The full council could consider the agreement Dec. 21. Read more

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