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This newspaper page contains 5 articles. Subscribers can read the full text of each article.
Newspaper
Sullivan Union
Location
Sullivan, Indiana, United States of America
Date
Aug 28, 1912
Page
6
A historical note outlines methods for building and maintaining earth roads. It covers surface preparation, drainage, compaction, and material selection. Practical guidance aims to extend road life and improve ride quality in rural areas.
In Road Making VII the author explains beam capacities for culverts and bridges. A 12x12 inch beam 24 feet span safely carries 1.5 tons at center. adding a King post with a steel rod under the beam increases capacity about 2.75 times to roughly 4.125 tons.
A long discussion argues that earth roads, though not perfect, can be improved and maintained at low cost to support future hard-surface upgrades. Proper drainage, grading, and continuous maintenance with road scrapers and split log drags reduce ruts, save power, and extend road life across the United States.
Discussion explains pipe culverts and timber bridges, covering depth, head walls, maximum fill, and clogging issues. It details stringer and plank sizing for spans from two feet to twenty feet, live and dead loads, and how timber choice affects required spacing.
The article details concrete culvert types from box to T beam and steel I beam encased in concrete for spans ten to thirty feet. It discusses foundations, reinforcement, rust protection, floor proportions, and cautions against faulty wooden culverts while praising reinforced concrete for durability and long term cost. It also notes road maintenance systems including contract, labor tax, and permanent crews, criticizing the contract method as often unsatisfactory.
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