Providing program management for the Oregon Department of Transportation's
OTIA III State Bridge Delivery Program


Abbreviations, Terms and Status Types

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z


Seeding & Mulching 
Process of placing grass seed and ground cover, usually loose hay, to prevent erosion of the soil.

Side Drain 
Drainage pipe placed under residential or commercial driveways - commonly called a culvert or driveway pipe.

Grass placed alongside the roadway and drainage structures during phases of construction to prevent erosion of the soil. It is often done in conjunction with seeding & mulching.

Structural Course 
Base layer(s) of asphalt used on a roadway. Often paving projects use more than one layer of structural course.

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