US Bridges

Gold Creek RD over West Fork Sanpoil River

FairPosted for load

Ferry County, Washington · 2.5 W SR 21 · Structure no. 089025000000000

Built
1962
63 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
51 ft
2 main spans
Daily traffic
18
2018 count
Owner
County
County Highway Agency

About this bridge

Gold Creek RD over West Fork Sanpoil River is a concrete stringer/multi-beam or girder carrying Gold Creek RD over West Fork Sanpoil River in Ferry County, Washington. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 18 vehicles a day, roughly 20% of them trucks, projected to reach 27 by 2040. The structure is 51 ft (15.5 m) long and 27 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesGold Creek RD
CrossesWest Fork Sanpoil River
Location2.5 W SR 21
RouteCounty Highway 780
Coordinates48.45625, -118.80174
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2018)
Projected traffic27 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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$533,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gold Creek RD over West Fork Sanpoil River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Gold Creek RD over West Fork Sanpoil 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 June 2024.

How much traffic does Gold Creek RD over West Fork Sanpoil River carry?

About 18 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Gold Creek RD over West Fork Sanpoil River?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns Gold Creek RD over West Fork Sanpoil River?

It is owned by the County Highway Agency.