Scenic Bridge

United States historic place

Scenic Bridge

U.S. National Register of Historic Places

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Location| Milepost 0 on Old U.S. Route 10 West, about 4 miles (6.4 km) east of Tarkio, Montana
Coordinates| 47°01′12.4″N 114°39′25.5″W﻿ / ﻿47.020111°N 114.657083°W﻿ / 47.020111; -114.657083
Area| 2 acres (0.81 ha)
Built| 1928
Built by| William P. Roscoe Company
Architectural style| Pratt deck truss
MPS| Montana's Historic Steel Truss Bridges
NRHP reference No.| 09001183[1]
Added to NRHP| January 4, 2010

The Scenic Bridge crossing Clark Fork River about 4 miles (6.4 km) east of Tarkio in Mineral County, Montana, was built in 1928. It is located at Milepost 0 on Old U.S. Route 10 West. The bridge has also been denoted 24MN304 and MDT No. L31012000+08.[2] It was listed on the National Register of Historic Places in 2010.[1]

The bridge is a riveted Pratt deck truss bridge constructed in 1928. It has three main spans upon reinforced concrete abutments and piers. The bridge is 421 feet (128 m) long in total, with four 19 feet (5.8 m) approach spans, two 77 feet (23 m) deck truss spans, and a 191 feet (58 m) deck truss main span. It is 25 feet (7.6 m) wide, supporting a 24 feet (7.3 m) roadway.[2]

This Pratt deck truss design is visually pleasing and rare. It was chosen by state staff for relatively rare circumstances during 1928 to 1932, after which a version of a Warren truss design was used.[2]

## See also

[edit]

* List of bridges documented by the Historic American Engineering Record in Montana
* List of bridges on the National Register of Historic Places in Montana

## References

[edit]

1. ^ a b "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
2. ^ a b c Jon Axline (May 13, 2009). "National Register of Historic Places Registration: Scenic Bridge / 24MN304, MDT No. L31012000+08". National Park Service. Retrieved September 6, 2017.

## External links

[edit]

* Historic American Engineering Record (HAER) No. MT-122, "Scenic Bridge, Spanning Clark Fork at Old Highway 10, Tarkio, Mineral County, MT", 10 photos, 18 data pages, 91 photo caption pages

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National Register of Historic Places in Mineral County, Montana

Historic districts|

* Chicago, Milwaukee, St. Paul and Pacific Railroad Company Historic District
* Gildersleeve Mine
* Point of Rocks Historic Transportation Corridor
* Savenac Nursery Historic District

Historic properties|

* Alberton School
* Bestwick's Market
* Brinks House
* Chadwick House
* De Borgia Schoolhouse
* Methodist Church of Alberton
* Railroad Depot
* Natural Pier Bridge
* St. Regis Airway Beacon
* Scenic Bridge
* Superior School
* Thorn House
* Wilson House

See also: National Register of Historic Places listings in Mineral County, Montana and List of National Historic Landmarks in Montana

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