Alma (River & Rail)

Alma delivers non-stop BNSF action on the Northern Transcon mainline with virtually zero separation between railfan and railroad. The double-track St. Croix Subdivision runs directly through town on a narrow shelf between the Mississippi River and 500-foot limestone bluffs, with trains passing just feet from the public sidewalk along Main Street. A pedestrian overpass near Lock & Dam No. 4 provides a rare overhead vantage point — you can shoot straight down onto locomotive rooftops as trains roll beneath you. The town's compact two-street layout means you never need to drive between spots; everything from trackside to elevated views is within walking distance. Scanner frequency 160.695 MHz (BNSF Channel 39) keeps you informed of approaching traffic. The bluffs create a natural echo chamber that amplifies horn blasts and turbocharger whine, giving Alma an acoustic dimension many mainline spots lack.

Alma occupies one of the narrowest strips of habitable land along the Upper Mississippi — the town is only two streets wide for most of its seven-mile length, squeezed between the river and vertical limestone bluffs. The setting feels almost alpine: 500-foot cliffs rise directly behind the town, while the wide Mississippi stretches out front, dotted with sand islands and commercial barge traffic. Buffalo County's hardwood forests blaze with color each October, framing trains against reds and golds. In winter, bald eagles congregate near Lock & Dam No. 4 where open water persists, and frost on the rail adds a distinctive crackle to passing wheel flanges. The Great River Road (Wisconsin Highway 35) parallels the tracks but carries light traffic through Alma, keeping the atmosphere quiet between trains. Alma was designated a National Historic District in 1982, with over 200 preserved 19th-century waterfront buildings lining Main Street.

This is BNSF's Northern Transcon — the primary Chicago-to-Pacific Northwest freight corridor. The St. Croix Subdivision through Alma handles an estimated 40-60 trains per day, though counts vary by source. Traffic is overwhelmingly freight: unit grain trains from the Upper Midwest, ethanol trains, intermodal double-stacks bound for Seattle/Tacoma, manifest freight, and some Powder River Basin coal movements. Distributed power (mid-train and rear DPUs) is common on the heavy tonnage trains. The Amtrak Empire Builder does not pass through Alma — it uses CPKC trackage on the Minnesota side of the river — so any passenger equipment sightings here (business car specials, geometry cars) are rare and noteworthy catches. Alma sits at milepost 351.3 on the subdivision, between Cochrane and Nelson.

The pedestrian overpass near Lock & Dam No. 4 is Alma's signature photo spot — it crosses directly over both main tracks and offers a unique overhead angle that few mainline locations can match. Shoot straight down onto locomotive cabs and consist tops as trains pass below. Along the riverfront on Main Street, broadside shots capture trains with the Mississippi River as a backdrop; morning light works best for eastbound trains in this orientation. For elevated panoramas, drive or hike to Buena Vista Park, a 500-foot bluff overlook accessible via County Road E from the south end of town or a 1.5-mile hiking trail starting on Second Street. From the top, the double-track mainline, river traffic, Lock & Dam No. 4, and the Minnesota shoreline all compress into a single expansive frame — ideal for wide-angle or long telephoto compositions that show trains threading along the riverbank far below.

The rail line through Alma was constructed in 1886 by the Chicago, Burlington & Northern Railroad, successor to the Winona, Alma & Northern Railway. The CB&N was absorbed into the Chicago, Burlington & Quincy Railroad (the Burlington Route) by 1899, which became part of Burlington Northern in 1970, and ultimately today's BNSF Railway. The line was double-tracked between 1926 and 1929 and equipped with Automatic Block Signals between 1917 and 1928. Lock & Dam No. 4, adjacent to the viewing area, was completed in May 1935 by the U.S. Army Corps of Engineers as the first structure built under the Upper Mississippi River Nine-Foot Channel Project. The dam cemented Alma's identity as a dual rail-and-river transportation point. Alma itself was settled by Swiss immigrants in the mid-19th century, and its steeply terraced layout — connected by 12 unique stairstep streets — reflects the challenges of building a town on this narrow shelf of land.

Alma's defining feature is the combination of intimate mainline proximity with dramatic elevation changes. At track level, you stand just feet from BNSF's busiest east-west corridor with no fences or barriers. Five minutes later, you can be 500 feet above the same tracks at Buena Vista Park, Wisconsin's largest natural balcony overlooking the Mississippi. The pedestrian overpass provides a third perspective — directly overhead — that is exceptionally rare on a Class I mainline. Add in commercial barge traffic on the river, wintering bald eagles near the dam, and a photogenic 19th-century townscape, and Alma delivers a density of visual elements that few Upper Midwest rail locations can match. The town's position on the Great River Road (Highway 35) also makes it an easy stop on a scenic driving route along the Mississippi.