US Bridges

134th Ave NE over Kelsey Creek

Good

King County, Washington · 0.5 MI S of SR-520 · Structure no. 085719000000000

Built
1987
38 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
2,329
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

134th Ave NE over Kelsey Creek is a prestressed concrete stringer/multi-beam or girder carrying 134th Ave NE over Kelsey Creek in King County, Washington. It was built in 1987, so it is 38 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 2,329 vehicles a day, roughly 5% of them trucks, projected to reach 2,911 by 2042. The structure is 61 ft (18.6 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries134th Ave NE
CrossesKelsey Creek
Location0.5 MI S of SR-520
RouteCity Street 7510
Coordinates47.61981, -122.16168
Functional classUrban Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length61 ft (18.6 m)
Longest span57 ft (17.5 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,329 (2022)
Projected traffic2,911 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$985,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 134th Ave NE over Kelsey Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is 134th Ave NE over Kelsey 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 May 2024.

How much traffic does 134th Ave NE over Kelsey Creek carry?

About 2,329 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 134th Ave NE over Kelsey Creek?

The structure is 61 ft (18.6 m) long with a longest span of 57 ft (17.5 m) and a deck 36 ft wide.

Who owns 134th Ave NE over Kelsey Creek?

It is owned by the City or Municipal Highway Agency.