Statistics for occurrence #1 of “High Bridge” in chapter 11, page 140 of Brig.-Gen. Bradley T. Johnson, Confederate Military History, a library of Confederate States Military History: Volume 2.1, Maryland:

...Beaver Dam, Dabney's Ferry, Ashland, Trevilian's Station, Leetown, Bladensburg, Rockville, Poolesville, Gettysburg, Martinsburg, Charlestown, Bunker Hill, Fisher's Hill, Madison C. H., Liberty Mills, High Bridge , Appomattox.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† High Bridge (Maryland, United States) 81 2 9 0 0 user votes
High Bridge (Wisconsin, United States) 237 0 9 0 0 user votes
High Bridge (New York, United States) 98 0 2 0 0 user votes
High Bridge (Kentucky, United States) 40 0 0 0 0 user votes
High Bridge (New Jersey, United States) 7 0 1 0 0 user votes
High Bridge (New Hampshire, United States) 3 0 1 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.