US Bridges

Flaming Geyser RD over Beaver Creek

Fair

King County, Washington · Flaming Geyser State Park · Structure no. 086473300000000

Built
2017
8 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
200
2015 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Flaming Geyser RD over Beaver Creek is a steel stringer/multi-beam or girder carrying Flaming Geyser RD over Beaver Creek in King County, Washington. It was built in 2017, so it is 8 years old, younger 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 200 vehicles a day, projected to reach 300 by 2037. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesFlaming Geyser RD
CrossesBeaver Creek
LocationFlaming Geyser State Park
RouteState Lands Road 0
CountyKing County
StateWashington
Coordinates47.27611, -122.03122
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2015)
Projected traffic300 by 2037
Trucks0%
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

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Flaming Geyser RD over Beaver Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Flaming Geyser RD over Beaver 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 November 2023.

How much traffic does Flaming Geyser RD over Beaver Creek carry?

About 200 vehicles per day (2015 count).

How long is Flaming Geyser RD over Beaver Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns Flaming Geyser RD over Beaver Creek?

It is owned by the State Park, Forest, or Reservation Agency.