You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "In what year did the railroad that built the High Bridge cease to operate?" whose answer is 1996.
Each document should contain about 30 words, and these documents should contain useful information.

Query: High Bridge railroad history
Useful Output:

Doc 1: From 1849 to 1854, the Southside Railroad constructed rail lines between Petersburg and Lynchburg, Virginia, directly connecting Piedmont
Doc 2: At the time of its completion in 1877 and into the 20th century, High Bridge was the highest railroad bridge over a navigable waterway in the world.
Doc 3: Original High Bridge. In March 1850, Kentucky approved the establishment of the Lexington & Danville Railroad (L&D) to construct a 35-mile
Doc 4: hen built in 1877, High Bridge was the highest railroad trestle in the world. As part of the busiest north-south route in the nation,
Doc 5: The former High Bridge Branch of the Central Railroad of New Jersey was developed in the 1870s to pierce the iron ore rich Highlands of north central NJ.