PLATTSBURGH — The 2009 road-construction season is under way.

Fines are doubled for speeding in work zones. Drivers are asked to use caution in work zones to protect the occupants of cars and the highway workers.

General maintenance projects are going on around the North Country. Crews are ditching, mowing, sweeping, washing bridges, cleaning culverts and doing guard-rail work.

Here's a look at some of the major road work being done around the North Country:

CLINTON COUNTY
Silver Lake Road Bridge, Black Brook: The bridge will be replaced starting this summer. The structure will be closed to traffic, with a detour in place, until the replacement is complete, around June 26, 2010. Traffic will be maintained during the winter months.

Narrows Road Bridge, Ellenburg: The bridge will be replaced starting this summer. The structure will be closed to traffic, with a detour in place, until the replacement is complete, around June 26, 2010. Traffic will be maintained during the winter months.

Route 374, Dannemora: Ditching will be taking place from Saranac Street in Lyon Mountain to Chazy Lake Road. Some delays. Completion is this week.

Tom Miller Road, Plattsburgh: The bridge over Interstate 87 is bring replaced. Exercise caution when traveling through the work zone. Completion is November 2010.

Route 9, Champlain: The bridge over the Great Chazy River is being rehabilitated. The majority of the work is below the travel area, so there is little impact on motorists. Completion is July 31.

City of Plattsburgh
Brinkerhoff Street: Reconstruction and utility work taking place between North Catherine and Oak streets. The construction zone is open to local traffic only. Use alternate routes. Parking will be restricted during the construction. Completion is this week.

ESSEX COUNTY
Sunset Drive, Willsboro: Closed due to road collapse.

Stowersville Road, Lewis: Lane shift near Wardner Bridge, due to slope failure, until repairs can be made.

Hoffman Road, Minerva and Schroon: Reclamation is being done. Some delays.

Blue Ridge Road, North Hudson, Minerva and Newcomb: Shoulder work is under way. Some delays.

I-87, North Hudson to AuSable: Milling and paving operations in each direction. Right-lane closures around the clock from exit 29 to 34. Completion is November 2010.

Route 86, Jay: A sinkhole has opened up in the roadway. A metal plate has been placed over the hole until repairs can be made, which is anticipated to happen in August. Drivers should use caution.

Fisher Bridge on Route 9N, Elizabethtown: A jersey barrier is in place because of damage done to the bridge railings. Use caution because of the traffic pattern.

Lake Champlain Bridge, Crown Point: Repairs are being made to the bridge. Alternating one-way traffic will be controlled by temporary traffic signals. Significant delays anticipated. Weight posting on the bridge is reduced to 40 tons.

FRANKLIN COUNTY
Towns of Westville and Constable: Paving will be done, weather permitting. Some delays.

County routes 12 and 13, Brandon: Pre-construction work is being done. Some delays.

County Route 8, Bangor: Box culverts will be replaced. A detour will be in place.

Main Street, Malone: Preliminary bridge work is being done. Some delays.

Route 458, Santa Clara: The bridge over the St. Regis River is being replaced. Alternating one-way traffic is being controlled by temporary signals. Completion is July 31.