engineering

Mexican Canyon Trestle

Mexican Canyon Trestle is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Mexican Canyon Trestle rather than just read about it. In short: Mexican Canyon Trestle is an historic wooden trestle bridge in New Mexico's Sacramento Mountains, Otero County, New Mexico, just outside Cloudcroft, New Mexico. It was listed on the National Register of Historic Places in 1979.

Key takeaways

Mexican Canyon Trestle belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Mexican Canyon Trestle to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Mexican Canyon Trestle from memory before moving on to harder problems.

Reference excerpt

Mexican Canyon Trestle is an historic wooden trestle bridge in New Mexico's Sacramento Mountains, Otero County, New Mexico, just outside Cloudcroft, New Mexico. It was listed on the National Register of Historic Places in 1979. It is located about .5 miles (0.80 km) northwest of Cloudcroft off US 82. It can be seen from a viewpoint, off the highway, with a historical plaque describing "The Cloud Climbing Railroad".

It is the most prominent remaining structure of the Alamogordo and Sacramento Mountain Railway which operated under various names from 1899 to 1947. Built in 1899, the curved trestle has an overall length of 323 feet and rises 52 feet above the canyon floor. Vertical supports spaced 15 feet apart consist of 12" x 12" timbers. The rails (removed in 1948) and crossties were placed on 8"x16" stringers held together with three-quarter-inch bolts and cast iron spacers. In order to form the curve, the top part was built in 21 sections with 8"x16" timbers. There are 10 main timbers 15 feet in length in each of the 21 sections resting on footing blocks set 4 to 8 feet underground. Lateral, longitudinal, and diagonal wooden braces prevented sway and shifting of the trestle. A wooden guard rail ran along the track to keep the ties from bunching. Metal guard rails running outside the standard gauge rails prevented derailed trains from falling off the trestle.

This structure was one of 58 trestles built on the mountainous 32-mile route which also required a switchback and numerous sharp curves. After the route was abandoned in 1947, the rails were taken up and salvagers removed a few of the timbers. The trestle is still essentially intact, however, and is a striking feature of the landscape near Cloudcroft. It is a large trestle bridge, in fact huge relative to the size of the single-tier Bridge A 249 a short ways away. It is a multi-tier wood-frame trestle which was part of the Alamogordo & Sacramento Mountains Railroad, a railroad that operated from 1899 to 1947. The railroad had about 26 miles (42 km) of track connecting Alamogordo, New Mexico to spruce and fir timber areas in the Sacramento Mountains. This trestle is one of seven trestles surviving out of 51 built by the railroad. It was deemed significant as "the most prominent remaining structure of the Alamogordo and Sacramento Mountain Railway" and as a largely well-preserved, prominent landmark. It is located at an elevation of 8,450 feet.

References

External links National Register Nomination File Media related to Mexican Canyon Trestle at Wikimedia Commons

Illustrations

Worked examples

Example 1 — a first encounter with Mexican Canyon Trestle

Start with the simplest possible case. Write down what Mexican Canyon Trestle claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Mexican Canyon Trestle before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Mexican Canyon Trestle ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Mexican Canyon Trestle

In research: Mexican Canyon Trestle appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Mexican Canyon Trestle in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Mexican Canyon Trestle is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bridges in New Mexico, Buildings and structures completed in 1899, National Register of Historic Places in Otero County, New Mexico, so understanding it makes those chapters shorter.
In everyday life: Look for Mexican Canyon Trestle outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Mexican Canyon Trestle in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mexican Canyon Trestle means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Mexican Canyon Trestle out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mexican Canyon Trestle in simple terms?

Why does Mexican Canyon Trestle matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Mexican Canyon Trestle?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Mexican Canyon Trestle.