PAWNEE COUNTY, Oklahoma - A Kansas man was hurt when his semi crashed on Highway 412 near the Westport exit Friday morning.

The OHP talked to a witness who said a truck carrying asphalt hit the guardrail and rolled over at about 7:20 a.m.

The OHP identified the driver as Darrell Marshall, 48, of Towanda, Kansas. Troopers said he was trapped for two and a half hours. He was taken to a Tulsa hospital in serious condition, according to the OHP.

The crash took place at a construction area where Oklahoma Department of Transportation crews have been building a retaining wall for the rocky bluff.

Eastbound traffic on Highway 412 was closed for about four hours.