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Lincoln County

Koocanusa Bridge

Highlight (Segment) • Bridge

Koocanusa Bridge

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Road cycling

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The Koocanusa Bridge is a remarkable landmark in Lincoln County, Montana, spanning the vast waters of Lake Koocanusa. Located along Montana Highway 37, approximately six miles south of Rexford, this impressive multi-truss bridge is a key feature of the Lake Koocanusa Scenic Byway. It stands as both the longest and highest bridge in Montana, stretching 2,437 feet across the lake and rising roughly 270 feet above the water, a height that can vary with the lake's levels.

Visitors are consistently drawn to the Koocanusa Bridge for its breathtaking scenic views of Lake Koocanusa and the surrounding Salish and Purcell Mountains. The bridge's award-winning design, recognized by the American Institute of Steel Construction in 1972, makes it a point of interest for those who appreciate engineering marvels. Elevated sidewalks on both sides allow pedestrians to stroll across, offering unparalleled vantage points of the expansive reservoir and the dramatic landscape.

For those planning a visit, the Koocanusa Bridge is easily accessible by car, with parking available on both sides. Traffic is typically light, even during peak tourist seasons, making it ideal for a leisurely drive or walk. The bridge itself offers a flat, paved surface for walking, suitable for most visitors. While the bridge is a destination in itself, preparing for the surrounding Kootenai National Forest terrain with appropriate footwear is advisable if you plan to explore nearby trails.

The best time to visit the Koocanusa Bridge is generally during the warmer months when the scenic byway is fully open and the weather is pleasant for outdoor activities. Beyond simply admiring the bridge, popular activities include driving the full Lake Koocanusa Scenic Byway, photography, and accessing various hiking trails. The bridge also serves as a segment of the Pacific Northwest National Scenic Trail, inviting hikers to explore further into the region.

Hikers and sightseers often highlight the unique experience of walking across Montana's longest and highest bridge, feeling the scale of the structure and the vastness of the lake below. The bridge's strategic location provides access to the Yaak River Country and other areas within the Kootenai National Forest, offering opportunities for fishing and exploring the natural beauty of the region. The peaceful atmosphere and stunning vistas make for memorable moments.

Whether you're looking for a scenic drive, a leisurely walk with panoramic views, or a starting point for more adventurous hiking, the Koocanusa Bridge area offers a variety of experiences. You can find numerous routes for cycling, hiking, and trail running in the surrounding Kootenai National Forest, all easily discoverable on komoot. Explore the diverse landscapes and plan your visit to this iconic Montana landmark.

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Kootenai National Forest

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  • Location: Lincoln County, Montana, United States

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    July 10, 2023

    Road cycling

    The Koocanusa Bridge is the highest and longest bridge Montana. It also overlaps with the Pacific Northwest hiking Trail, which begins in Montana and ends in Cape Alava on the coast of Washington State.

    June 9, 2023

    Hiking

    Koocanusa Bridge is the tallest and longest bridge in Montana. It spans the width of the Kootenai River where it forms Koocanusa Lake. Parking is available on both sides of the bridge.
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    Details

    Informations

    Distance 789 m

    Uphill 30 m

    Downhill 0 m

    Weather

    Powered by Foreca

    Today

    Saturday 13 June

    17°C

    7°C

    11 %

    Additional weather tips

    Max wind speed: 8.0 km/h

    Location: Lincoln County, Montana, United States

    Frequently Asked Questions

    What are some popular hiking trails accessible from the Koocanusa Bridge?

    The Koocanusa Bridge serves as a gateway to several hiking opportunities. It is notably a segment of the Pacific Northwest National Scenic Trail, which climbs up Webb Mountain from the bridge. Beyond this, the bridge provides access to the vast Kootenai National Forest and the Yaak River Country, offering numerous trails for hikers of varying skill levels. While the bridge itself offers a flat walk, surrounding trails can range from easy to more challenging.

    What is the typical hiking terrain and difficulty near the Koocanusa Bridge?

    While the Koocanusa Bridge itself offers a flat, paved surface ideal for a leisurely walk, the surrounding areas present more varied terrain. Trails in the Kootenai National Forest can range from gentle paths to more rugged, elevated routes, such as those climbing Webb Mountain. Hikers should be prepared for natural forest conditions, including uneven surfaces and potential elevation changes, especially if venturing beyond the immediate bridge area.

    Are there specific landmarks or viewpoints around the Koocanusa Bridge worth visiting?

    Absolutely. The bridge itself is a significant landmark, offering breathtaking panoramic views of Lake Koocanusa and the surrounding Salish and Purcell Mountains. There are numerous pullover spots along the Lake Koocanusa Scenic Byway for photographs and picnics. The Libby Dam, which created Lake Koocanusa, is also a notable point of interest with a Visitors Center, accessible via the scenic byway.

    Is there ample parking available for visitors to the Koocanusa Bridge?

    Yes, parking is available on both sides of the Koocanusa Bridge. Visitor tips indicate that these spots are generally sufficient, even during peak tourist seasons, as traffic on the bridge itself is typically light. However, arriving earlier in the day is always a good strategy during busy times to ensure a convenient spot.

    How do seasonal conditions affect visiting the Koocanusa Bridge, especially in winter?

    While the warmer months are generally recommended for visiting due to pleasant weather and full accessibility of the scenic byway, winter conditions can impact the area. The Lake Koocanusa Scenic Byway may have sections with snow or ice, and some recreational opportunities might be limited. It's advisable to check local road conditions and weather forecasts if planning a winter visit, as the experience will be significantly different from the warmer seasons.

    Is the Koocanusa Bridge area family-friendly and dog-friendly?

    Yes, the Koocanusa Bridge area is generally considered both family-friendly and dog-friendly. The elevated sidewalks on the bridge provide a safe and enjoyable walk for all ages, offering stunning views. For those with dogs, many trails in the surrounding Kootenai National Forest are suitable for leashed pets. Always ensure to follow local regulations regarding pets and clean up after them to maintain the natural beauty of the area.

    What amenities are available near the Koocanusa Bridge, such as cafes or accommodation?

    The Koocanusa Bridge is located in a relatively remote area of Lincoln County, Montana. While the immediate vicinity of the bridge offers scenic beauty, amenities like cafes, pubs, or extensive accommodation options are not directly adjacent. Visitors typically find these services in nearby towns such as Rexford, Eureka, or Libby, which are accessible via the Lake Koocanusa Scenic Byway. Planning ahead for food, drinks, and lodging is recommended.

    What should I bring for a hike or walk around the Koocanusa Bridge area?

    For a walk across the bridge, comfortable walking shoes are sufficient. However, if you plan to explore the surrounding trails in the Kootenai National Forest, appropriate footwear for varied terrain is advisable. Depending on the season and trail length, consider bringing water, snacks, sun protection, layers of clothing, and a map or navigation device. Binoculars can enhance the scenic viewing experience.

    Are there opportunities for wild swimming or water activities near the Koocanusa Bridge?

    The Koocanusa Bridge spans Lake Koocanusa, a large reservoir. While the bridge itself is not a designated swimming spot, the lake offers various recreational opportunities, including boating, fishing, and potentially swimming in designated or suitable areas along its shores. Visitors interested in water activities should research specific access points and regulations for Lake Koocanusa.

    What is the historical significance of the Koocanusa Bridge?

    The Koocanusa Bridge was constructed in the early 1970s as a direct result of the Libby Dam's creation of Lake Koocanusa. The reservoir flooded existing roads, making the bridge vital for maintaining access for communities, including Mennonite and Amish communities, to services in Eureka and Libby. Its name, a portmanteau of 'Kootenai River,' 'Canada,' and 'USA,' reflects the international nature of the reservoir, which extends into British Columbia.

    How long does it take to walk across the Koocanusa Bridge?

    The Koocanusa Bridge stretches 2,437 feet (approximately 743 meters) across Lake Koocanusa. With elevated sidewalks on both sides, a leisurely walk across the bridge and back typically takes about 20-30 minutes, allowing ample time to stop and enjoy the breathtaking views of the lake and surrounding mountains.

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