US Bridges

140th Ave NE over Kelsey Creek

Good

King County, Washington · 140 NE & Bell-Red RD · Structure no. 085460000000000

Built
1972
53 years old
Condition
Good
inspected May 2024
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
13,668
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

140th Ave NE over Kelsey Creek is a prestressed concrete slab carrying 140th Ave NE over Kelsey Creek in King County, Washington. It was built in 1972, so it is 53 years old, older 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 13,668 vehicles a day, roughly 3% of them trucks, projected to reach 17,085 by 2042. The structure is 37 ft (11.3 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries140th Ave NE
CrossesKelsey Creek
Location140 NE & Bell-Red RD
RouteCity Street 756
Coordinates47.62414, -122.15365
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span35 ft (10.8 m)
Deck width75 ft (23 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,668 (2022)
Projected traffic17,085 by 2042
Trucks3%
Lanes on structure5
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 140th Ave NE over Kelsey Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is 140th 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 140th Ave NE over Kelsey Creek carry?

About 13,668 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 140th Ave NE over Kelsey Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.8 m) and a deck 75 ft wide.

Who owns 140th Ave NE over Kelsey Creek?

It is owned by the City or Municipal Highway Agency.