US Bridges

Grave Creek Road over Unnamed Tributary to Qui

Good

Jefferson County, Washington · 15.31 Mi. NE of Jct. Hwy. · Structure no. 9500061P0000000

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
39 ft
1 main span
Daily traffic
25
2015 count
Owner
Federal
National Park Service

About this bridge

Grave Creek Road over Unnamed Tributary to Qui is a steel girder and floorbeam system carrying Grave Creek Road over Unnamed Tributary to Qui in Jefferson County, Washington. It was built in 2009, so it is 16 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 30 by 2035. The structure is 39 ft (11.9 m) long and 13 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesGrave Creek Road
CrossesUnnamed Tributary to Qui
Location15.31 Mi. NE of Jct. Hwy.
RouteFederal Lands Road 0
CountyJefferson County
StateWashington
Coordinates47.55444, -123.61917
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckSteel plate
Main spans1
Design loadH 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width13 ft (3.9 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2015)
Projected traffic30 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$315,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Grave Creek Road over Unnamed Tributary to Qui built?

It was built in 2009, making it 16 years old in 2025.

What condition is Grave Creek Road over Unnamed Tributary to Qui in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Grave Creek Road over Unnamed Tributary to Qui carry?

About 25 vehicles per day (2015 count).

How long is Grave Creek Road over Unnamed Tributary to Qui?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 13 ft wide.

Who owns Grave Creek Road over Unnamed Tributary to Qui?

It is owned by the National Park Service.