US Bridges

SE Jones Road over Cedar River & Trail

Good

King County, Washington · 0.01 MI E of SR-169 · Structure no. 087122000000000

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
291 ft
3 main spans
Daily traffic
4,560
2019 count
Owner
County
County Highway Agency

About this bridge

SE Jones Road over Cedar River & Trail is a prestressed concrete continuous stringer/multi-beam or girder carrying SE Jones Road over Cedar River & Trail in King County, Washington. It was built in 2003, so it is 22 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 4,560 vehicles a day, roughly 11% of them trucks, projected to reach 8,235 by 2041. The structure is 291 ft (88.6 m) long and 52 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSE Jones Road
CrossesCedar River & Trail
Location0.01 MI E of SR-169
RouteCounty Highway 82800
Coordinates47.45826, -122.07892
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length291 ft (88.6 m)
Longest span164 ft (49.9 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,560 (2019)
Projected traffic8,235 by 2041
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$14.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SE Jones Road over Cedar River & Trail built?

It was built in 2003, making it 22 years old in 2025.

What condition is SE Jones Road over Cedar River & Trail 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 March 2023.

How much traffic does SE Jones Road over Cedar River & Trail carry?

About 4,560 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is SE Jones Road over Cedar River & Trail?

The structure is 291 ft (88.6 m) long with a longest span of 164 ft (49.9 m) and a deck 52 ft wide.

Who owns SE Jones Road over Cedar River & Trail?

It is owned by the County Highway Agency.