Wyoming overpasses closed after separate strikes by oversized loads

By David Tanner, Land Line associate editor | 3/5/2014

Separate incidents involving oversized loads have led to the closure of two overpasses along Wyoming interstates. Both incidents occurred Friday, Feb. 28, near Cheyenne.

Authorities say a tractor-trailer hauling a large mining truck on Interstate 25 north of Cheyenne struck the underside of the Nimmo Road overpass at mile marker 34.4.

Photo courtesy of the Wyoming Highway Patrol

A truck hauling an oversized piece of mining equipment struck an Interstate 25 overpass on Friday.

A Wyoming Highway Patrol sergeant says the incident is under investigation, but the trucker’s paperwork checked out.

“He did have the proper permits. He just was a little taller than he thought he was,” Sgt. Stephen Townsend said.

Nimmo Road will remain closed for an indefinite period of time until the underside of the overpass is repaired.

The separate incident happened at the Parsley Boulevard Bridge over I-80 in Cheyenne.

The Wyoming Department of Transportation says a westbound truck carrying an over-height storage tank damaged some girders on the underside of the bridge.

A citation is pending against the trucking company and operator.

WYDOT spokesman Dave Kingham said the incident is not affecting I-80 traffic but the overpass would remain closed until repairs are made.

Crews were already in the process of repairing the same girders after an over-height load of excavation equipment struck the bridge in August 2013. The $662,000 contract to make those repairs will be going up following the most recent strike, officials said.

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