Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 15 · column 4 of 7 · from the scan, no model involved

After all, even concrete and steel have a life span. The FHWA recently recommended bridges be built to last 75 years.
The 1917 concrete bridge over the Covington River is 90 years old, but even a novice can tell it is in bad shape. VDOT is expecting the results of an analysis of the integrity of the bridge in a few months.
89.0%