US Bridges

Lake Access over Wapato Creek

PoorClosed to traffic

Washington County, Oregon · SH47 1 Mi. S Gaston RD · Structure no. 000013601-66540

Built
1950
75 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
4 main spans
Daily traffic
1
2022 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Lake Access over Wapato Creek is a wood or timber stringer/multi-beam or girder carrying Lake Access over Wapato Creek in Washington County, Oregon. It was built in 1950, so it is 75 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 1 vehicles a day, projected to reach 1 by 2043. The structure is 78 ft (23.8 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLake Access
CrossesWapato Creek
LocationSH47 1 Mi. S Gaston RD
RouteFederal Lands Road 0
StateOregon
Coordinates45.4225, -123.13483
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating5 US tons
Inventory rating3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic1 (2022)
Projected traffic1 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$990,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Access over Wapato Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Lake Access over Wapato Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Lake Access over Wapato Creek carry?

About 1 vehicles per day (2022 count).

How long is Lake Access over Wapato Creek?

The structure is 78 ft (23.8 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns Lake Access over Wapato Creek?

It is owned by the Bureau of Fish and Wildlife.