US Bridges

Road over Hope Creek

Fair

King County, Washington · No Data Entered · Structure no. 060506000001339

Built
1980
45 years old, rebuilt 2010
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
2
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Hope Creek is a prestressed concrete stringer/multi-beam or girder carrying Road over Hope Creek in King County, Washington. It was built in 1980 and reconstructed in 2010, so it is 45 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 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 2 vehicles a day, projected to reach 3 by 2045. The structure is 77 ft (23.5 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesRoad
CrossesHope Creek
LocationNo Data Entered
RouteFederal Lands Road 60950
CountyKing County
StateWashington
Coordinates47.71754, -121.11499
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length77 ft (23.5 m)
Longest span75 ft (23 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (1995)
Projected traffic3 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Hope Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2010.

What condition is Road over Hope 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 June 2023.

How much traffic does Road over Hope Creek carry?

About 2 vehicles per day (1995 count).

How long is Road over Hope Creek?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (23 m) and a deck 16 ft wide.

Who owns Road over Hope Creek?

It is owned by the U.S. Forest Service.