UPDATE- 8:45 p.m.
The victims of the fatal crash have been identified by the Missouri Highway Patrol's crash report.
They are, the driver of the dump truck, 56 year-old Randal D. Estes of Warsaw and three members of an Illinois family traveling in a pick-up truck.
Those in the pick-up killed were the driver 50 year-old Terry L. Schroeder, 46 year-old Cindy Schroeder and 14 year-old Dylan Schroader. Surviving the crash with critical injuries is 14 year-old Donnie Schroeder. The Schroeder's were from Benson, Illinois.
The patrol's report also indicates the reason the dump truck crossed the center lane. The left front tire went flat causing the driver to lose control.
UPDATE- 2:15 p.m.
Captain Kelly Luttrell with the Camden County Sheriff's Office says the accident on Route 5 over the Niangua Bridge has been cleared. Units on the scene say traffic is moving in both directions.
UPDATE- 12:00 p.m.
The Missouri Highway Patrol says the crash over the Niangua Bridge has killed four people and a fifth has been taken to Columbia by helicopter for treatment. The fifth person's injuries were described as serious.
The crash involved a dump truck and a pick-up truck with a trailer. The Highway Patrol told KRCG's Juliette Dryer that the dump truck crossed the center line and hit the pick-up. The pick-up was pulling a boat.
Three people from the pick-up and one from the dump truck were killed.
UPDATE - 9:35 a.m.
Route 5 over the Niangua Bridge is expected to be closed for an estimated six hours.
According to MoDOT, motorists traveling southbound on Route 5 should take the following detour: Route 7 to Route J to Route 54.
Motorists traveling northbound on Route 5 should detour around the closure via: Route 54 to Route J to Route 7.
Tractor-trailer trucks should avoid the area. Southbound trucks should detour to Route 5 to Route 52 through Eldon to Route 54. Northbound trucks should detour via Route 54 to Route 52 through Eldon to Route 5.
MoDOT officials say two vehicles were involved and it happened near the middle of the bridge. At this time there are no reports of damage to the bridge.
A hazmat crew is working on containing any fuel issues.
Emergency personnel are on the scene.
ORIGINAL STORY -
A fatality accident on the Niangua Bridge located on north Highway 5 in Camden County has resulted in the closure of the bridge Wednesday morning.
At 8:10 Wednesday morning, Captain Kelly Luttrell of the Camden County Sheriff's Department estimated that the closure would last "several hours."