Get a Hartford Courant subscription for less than 29 cents per day

Yosemite National Park

National parks face $12 billion backlog for maintenance work

The National Park Service is celebrating its 100th anniversary this year, but the system faces a multibillion dollar maintenance backlog that officials say is no cause for rejoicing.

Long-delayed projects range from replacing water works at the Grand Canyon to making sure the Jefferson Memorial doesn't sink into the Tidal Basin to improving roads at Yosemite National Park.

The bill for deferred work is nearly $12 billion nationwide — a $440 million increase over last year. About half the total is for road work. The remainder is for buildings, campgrounds, trails and infrastructure such as water systems and wastewater treatment.

Hoping to take advantage of the...