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Repairs Underway To Highway 7 Dewdney Slough Bridge – Optimistic On Early Opening

Mission, BC  (Global/CBC/Mission City Record/Drive BC)Friday Update from Ministry Of Transportation – The  Dewdney Slough Bridge, located eight kilometres east of Mission on Highway 7, is currently closed for repairs. The bridge was closed on Thursday morning after a steel cap supporting the bridge deck was damaged resulting in the deck settling on the support beam.

Repairs are underway, with crews working extended 16-hour shifts to fix and reopen the bridge as quickly as possible. The bridge will be jacked up and the damaged cap replaced. Crews will also do any other repairs if they are needed.

If repairs go as planned, the ministry is hopeful that the bridge can be reopened within the next few days. Once ministry engineers can confirm the timeline for repair, the ministry will provide another update.

There is no risk of the bridge collapsing or any concern to public safety. The bridge remains stable and is open to pedestrian and cyclist traffic under supervision from traffic control personnel on site. Emergency vehicles will be allowed to cross if needed.

In the meantime, motorists should detour along Highway 1, using either Highway 11 via Mission from the west or Highway 9 via Agassiz from the east.

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The ministry apologizes for any inconvenience and thanks drivers for their patience while the repairs are undertaken.

Quick Facts:

  • The Dewdney Slough Bridge was opened in 1958 and is scheduled to be replaced by 2019.
  • An average of 16,850 vehicles use the bridge daily.
  • There are 2,779 road bridges and 57 pedestrian bridges in British Columbia under the jurisdiction of the Ministry of Transportation and Infrastructure.
  • Every bridge in the province is inspected annually.
  • The ministry employs 80 people to oversee bridge safety and maintenance.

There are 25 bridge area managers (technicians) who are responsible for inspections, as well as engineers and support staff.

ORIGINAL STORY – The Dewdney Slough Bridge, east of Mission, will likely remain closed for a couple of days for repairs, the Ministry of Transportation said Thursday afternoon. Foot traffic is being allowed to cross. The Ministry of Transportation needs to fix a 10 inch dip under an expansion joint. A support beam is hope to be installed late Sunday. Monday may be too early a prediction for re-opening. It could take a week. A creosote pilling under the bridge appears to have failed.

The Ministry says the bridge — which was assessed by engineers after a dip appeared in its centre — is in no danger of collapse.

The bridge, over the Nicomen Slough, was closed at 9.30 a.m. Thursday, after a ministry maintenance contractor noticed a shift in the bridge.

“The top portion of one of the support piles on the eastbound side had weakened, and the bridge settled onto the strong section of the pile,” the statement read.

Drive BC and the District of Mission wont give a firm time frame for reopening the bridge, but motorists are advised repairs could take a couple of days to complete. Ministry of Transportation hints that while a support beam will be installed on Sunday, a Monday morning re-opening may be too optimistic. This fix could take a week.

Meanwhile, traffic is being diverted to Highway 1, using either Highway 11 via Mission from the west, or Highway 9 via Agassiz from the east.

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