US Bridges

Oakesdale Ave SW over Springbrook Creek

Good

King County, Washington · 0.5 M. West of Lind Ave. · Structure no. 087059000000000

Built
1998
27 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
1 main span
Daily traffic
7,866
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oakesdale Ave SW over Springbrook Creek is a prestressed concrete stringer/multi-beam or girder carrying Oakesdale Ave SW over Springbrook Creek in King County, Washington. It was built in 1998, so it is 27 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 7,866 vehicles a day, roughly 20% of them trucks, projected to reach 12,000 by 2038. The structure is 137 ft (41.8 m) long and 82 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesOakesdale Ave SW
CrossesSpringbrook Creek
Location0.5 M. West of Lind Ave.
RouteCity Street 1070
Coordinates47.46503, -122.23233
Functional classUrban Minor Arterial

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating41.8 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length137 ft (41.8 m)
Longest span131 ft (39.9 m)
Deck width82 ft (25 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,866 (2019)
Projected traffic12,000 by 2038
Trucks20%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oakesdale Ave SW over Springbrook Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Oakesdale Ave SW over Springbrook Creek 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 June 2023.

How much traffic does Oakesdale Ave SW over Springbrook Creek carry?

About 7,866 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Oakesdale Ave SW over Springbrook Creek?

The structure is 137 ft (41.8 m) long with a longest span of 131 ft (39.9 m) and a deck 82 ft wide.

Who owns Oakesdale Ave SW over Springbrook Creek?

It is owned by the City or Municipal Highway Agency.