US Bridges

Gravelle Road over Crab Creek

FairPosted for load

Lincoln County, Washington · 3.80 W SR 231 · Structure no. 081621000000000

Built
1942
83 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
51
2023 count
Owner
County
County Highway Agency

About this bridge

Gravelle Road over Crab Creek is a steel stringer/multi-beam or girder carrying Gravelle Road over Crab Creek in Lincoln County, Washington. It was built in 1942, so it is 83 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. Its operating status is: posted for load restriction.

It carries about 51 vehicles a day, roughly 25% of them trucks, projected to reach 75 by 2042. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesGravelle Road
CrossesCrab Creek
Location3.80 W SR 231
RouteCounty Highway 63370
CountyLincoln County
StateWashington
Coordinates47.57186, -117.97258
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.1 US tons
Inventory rating16.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 10
Structure length36 ft (11 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2023)
Projected traffic75 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gravelle Road over Crab Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is Gravelle Road over Crab 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 December 2023.

How much traffic does Gravelle Road over Crab Creek carry?

About 51 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Gravelle Road over Crab Creek?

The structure is 36 ft (11 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Gravelle Road over Crab Creek?

It is owned by the County Highway Agency.