Hood River-White Salmon Interstate Bridge

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Hood River-White Salmon Interstate Bridge
Coordinates45°43′05″N 121°29′43″W / 45.717976°N 121.495211°W / 45.717976; -121.495211 (Hood River Bridge)Coordinates: 45°43′05″N 121°29′43″W / 45.717976°N 121.495211°W / 45.717976; -121.495211 (Hood River Bridge)
CrossesColumbia River
LocaleBetween Hood River, Hood River County, Oregon, United States and White Salmon, Klickitat County, Washington, USA
Other name(s)Hood River Bridge
Maintained byPort of Hood River
DesignThrough-truss with a vertical lift
Total length1,346.67 metres (4,418.2 ft)[1]
Longest span79.92 metres (262.2 ft)[1]
OpenedDecember 9, 1924[1]
Daily traffic4 million (annual)
TollCars, vans, pickup without trailer: $2.00, Motorcycles: 75¢-$1.00, Commercial trucks and vans: $3.00 per axle

The Hood River-White Salmon Interstate Bridge, or just the Hood River Bridge is a truss bridge with a vertical lift that spans the Columbia River between Hood River, Oregon and White Salmon, Washington. It connects Interstate 84/U.S. Route 30 on the Oregon side with Washington State Route 14.

The bridge is currently the second oldest road bridge across the Columbia between Washington and Oregon. It was built by the Oregon-Washington Bridge Company and opened on December 9, 1924. The original name was the Waucoma Interstate Bridge.

Construction of the Bonneville Dam 23 miles (37 km) downstream forced the bridge to be altered in 1938 to accommodate the resulting elevated river levels. On December 12, 1950, the Port of Hood River purchased the bridge from the Oregon-Washington Bridge Co. for $800,000.

The bridge is operated as a toll bridge by the Port of Hood River. Currently the tolls are set to $2.00 for a passenger car, with $3.00 for each axle for a truck, and either 75¢ or $1.00 for motorcycles.[2][3] Bicycles and pedestrians are prohibited from crossing the bridge.

20 piers are used to support the total length of 4,418 ft (1347 m). When closed the vertical waterway clearance is 67 ft (20m). This increases to 148 ft (45 m) when the bridge is open at a river level of 75',[4] which typically happens once or twice a month. The horizontal waterway clearance of the lift span is 246 ft (75 m).

The bridge has weight restrictions: 24 tons for legal truck types 3 and SU5, 32 tons for types 3S2 and 3-3, 22 tons for type SU4, and 25 tons for types SU6 and SU7 (descriptions of these truck types can be found here).[5]

It is located at river mile 169, between Bridge of the Gods at RM 148 and The Dalles Bridge at RM 191.

Southeast side of the bridge, showing the lift span section


  1. ^ a b c White Salmon Bridge (1924) at Structurae
  2. ^ "Hood River Bridge". Port of Hood River. Retrieved May 27, 2022.
  3. ^ "Toll Rates". Port of Hood River. Retrieved May 27, 2022.
  4. ^ "USGS Current Conditions for USGS 14113290 COLUMBIA RIVER AT HOOD RIVER, OR". United States Geological Survey.
  5. ^ "New Weight Limit Imposed on Hood River-White Salmon Interstate Bridge". Port of Hood River. February 5, 2021. Retrieved May 27, 2022.

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