US Bridges

NE 8th Street over Kelsey Creek

Good

King County, Washington · 0.01 E JCT 132nd Ave NE · Structure no. 089077000000000

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
21,950
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 8th Street over Kelsey Creek is a concrete culvert carrying NE 8th Street over Kelsey Creek in King County, Washington. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,950 vehicles a day, roughly 5% of them trucks, projected to reach 27,438 by 2042. The structure is 28 ft (8.5 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNE 8th Street
CrossesKelsey Creek
Location0.01 E JCT 132nd Ave NE
RouteCity Street 7529
Coordinates47.61723, -122.1641
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating94.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width87 ft (26.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,950 (2022)
Projected traffic27,438 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$825,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 8th Street over Kelsey Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is NE 8th Street 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 NE 8th Street over Kelsey Creek carry?

About 21,950 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NE 8th Street over Kelsey Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 87 ft wide.

Who owns NE 8th Street over Kelsey Creek?

It is owned by the City or Municipal Highway Agency.