Load ratings for standard bridges.
APA Citation
Iowa. Department of Transportation., Iowa. Highway Research Board. (1998). Load ratings for standard bridges. Ames, Iowa: The Dept..
MLA Citation
Iowa. Department of Transportation, and Iowa. Highway Research Board. Load Ratings for Standard Bridges. Ames, Iowa: The Dept., 1998.
Warning: These citations may not always be complete (especially for serials).