US Bridges

Whiskey Creek Road over Whisky Creek

Fair

Columbia County, Washington · 3.3 S JCT 9106 · Structure no. 080969000000000

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Whiskey Creek Road over Whisky Creek is a steel stringer/multi-beam or girder carrying Whiskey Creek Road over Whisky Creek in Columbia County, Washington. It was built in 1974, so it is 51 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 6 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 50 vehicles a day, roughly 15% of them trucks, projected to reach 75 by 2042. The structure is 32 ft (9.8 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesWhiskey Creek Road
CrossesWhisky Creek
Location3.3 S JCT 9106
RouteCounty Highway 10530
CountyColumbia County
StateWashington
Coordinates46.22097, -118.06917
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic75 by 2042
Trucks15%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$274,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Whiskey Creek Road over Whisky Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Whiskey Creek Road over Whisky Creek 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 October 2024.

How much traffic does Whiskey Creek Road over Whisky Creek carry?

About 50 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Whiskey Creek Road over Whisky Creek?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 25 ft wide.

Who owns Whiskey Creek Road over Whisky Creek?

It is owned by the County Highway Agency.