Powder River Bridge facts for kids
Quick facts for kids |
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Powder River Bridge
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 Location in Montana
Location in the United States
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| Location | Old US 10, southwest of Terry, Montana |
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| NRHP reference No. | 09001186 |
| Added to NRHP | January 4, 2010 |
The Powder River Bridge is a strong steel bridge in Prairie County, Montana. It crosses the Powder River just before it joins the Yellowstone River. This bridge is an important part of history. It was added to the National Register of Historic Places on January 4, 2010.
It is a special type of bridge called a steel truss bridge. It was built in 1946. The bridge is quite long, measuring 633 feet in total. It has one main section that is 203 feet long. There are also two other sections, each 163 feet long.
What is a Truss Bridge?
A truss bridge is a type of bridge that uses a framework of connected triangles. These triangles are called trusses. They help to spread out the weight and make the bridge very strong. This design is very efficient. It uses less material but can still hold heavy loads.
- Strength: The triangle shapes make the bridge very stable.
- Material: Many truss bridges are made of steel.
- History: This design has been used for a long time.
The Powder River Bridge uses this clever design. It has strong steel trusses. This helps it safely carry traffic over the river.
A Historic Landmark
The Powder River Bridge is more than just a way to cross a river. It is also a historic landmark. It was built in 1946. This means it has been around for many years.
- National Register of Historic Places: This is a list of places in the United States that are important to history. When a place is added to this list, it means it is special. It should be protected for future generations.
- Date Added: The Powder River Bridge joined this important list on January 4, 2010. This shows its value.
This bridge connects communities. It also reminds us of past engineering and transportation. It is a part of Montana's history.
