US Bridges

Washougal River RD over Washougal River

Fair

Skamania County, Washington · 3.81 N of Salmon Falls RD · Structure no. 079745000000000

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
178 ft
1 main span
Daily traffic
731
2023 count
Owner
County
County Highway Agency

About this bridge

Washougal River RD over Washougal River is a steel stringer/multi-beam or girder carrying Washougal River RD over Washougal River in Skamania County, Washington. It was built in 1955, so it is 70 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 731 vehicles a day, roughly 20% of them trucks, projected to reach 400 by 2044. The structure is 178 ft (54.3 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesWashougal River RD
CrossesWashougal River
Location3.81 N of Salmon Falls RD
RouteCounty Highway 11060
CountySkamania County
StateWashington
Coordinates45.65131, -122.16656
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length178 ft (54.3 m)
Longest span84 ft (25.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic731 (2023)
Projected traffic400 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Washougal River RD over Washougal River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Washougal River RD over Washougal River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Washougal River RD over Washougal River carry?

About 731 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Washougal River RD over Washougal River?

The structure is 178 ft (54.3 m) long with a longest span of 84 ft (25.6 m) and a deck 24 ft wide.

Who owns Washougal River RD over Washougal River?

It is owned by the County Highway Agency.