Belknap Bridge - Lane County, Oregon
Posted by: Groundspeak Premium Member TheBeanTeam
N 44° 10.094 W 122° 13.707
10T E 561683 N 4890847
Quick Description: A beautiful covered bridge near the hamlet of McKenzie Bridge, Oregon. World Bridge Number (37-20-11)
Location: Oregon, United States
Date Posted: 5/24/2010 1:00:56 PM
Waymark Code: WM8X1V
Published By: Groundspeak Regular Member CoveredBridgeGuy
Views: 15

Long Description:
Belknap Bridge World Bridge Number (37-20-11)

From Wikipedia:

Lane County was the first in Oregon to build covered bridges on a large scale. Today, the county has more surviving covered bridges than any other county west of the Mississippi River, a total of 17 bridges, including 14 that are still open to traffic. There has been a covered bridge at the Belknap Bridge site since 1890 as four different bridge structures.

The original Belknap Bridge was built in 1890 by Mr. T. Thomson. It was named for a pioneer family that settled in the McKenzie River area, Rollin S. Belknap, who discovered and developed Belknap Springs approximately nine miles upstream from the bridge. His son, J. H. Belknap, was involved in promoting a toll road over McKenzie Pass in the early 1870s.

Traffic weakened the structure over time, so Lane County replaced it in 1911. The second bridge was replaced in 1939. That bridge, however, was destroyed in the Pacific Northwest flood of 1964. The current bridge opened in 1966. In 1975, louvered windows were added to the south side of the structure to improve the bridge's interior light. The bridge structure was strengthened and the exterior repaired in 1992. In 2002, a new roof was installed as part of a general bridge renovation project.

Because of its unique scenic beauty and its importance to Oregon's transportation history, the Belknap Bridge was listed on the National Register of Historic Places in 1979. Today, Lane County's Engineering Division maintains the covered bridges that are open to traffic, including the Belknap Bridge.

The current Belknap Bridge was designed for Lane County by the Oregon Bridge Corporation of Springfield, Oregon, as a classic covered bridge. It is 120 feet (37 m) long, containing a single span supported by a Howe truss system. Its maximum carrying capacity of 39 short tons (35 t) is to accommodate logging trucks. The bridge rests on two concrete foundation piers. Its wooden floor planks and shingled roof are in good condition, as is the weatherboard housing that protects the Howe truss infrastructure from the elements.

Most of Oregon's covered bridges, including the Belknap Bridge, were built using the Howe truss system, developed in 1840 by the Massachusetts architect William Howe. The system uses heavy timbers reinforced with iron or steel rods. The trusses have central beams and crossed timbers with adjustable, vertical iron rods to support the structural load.

Wikipedia: Belknap Bridge

Current Condition of Bridge: In use, Restored

Web Address: [Web Link]

Description of Covered Bridge:
Good.


Year Built: 1966

Location (Road - City - State - Country): McKenzie River Dr & King Road West - Lane County, Oregon - USA

Parking (If not at the bridge):: Not listed

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