US Bridges

195th Ave. NE over Tributary

Good

King County, Washington · 1.5 MI N of SR 202 · Structure no. 088566000000000

Built
2012
13 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
7,945
2020 count
Owner
County
County Highway Agency

About this bridge

195th Ave. NE over Tributary is a prestressed concrete slab carrying 195th Ave. NE over Tributary in King County, Washington. It was built in 2012, so it is 13 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 7,945 vehicles a day, roughly 5% of them trucks, projected to reach 12,000 by 2040. The structure is 46 ft (14 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries195th Ave. NE
CrossesTributary
Location1.5 MI N of SR 202
RouteCounty Highway 61780
Coordinates47.68648, -122.08034
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 inspectionJuly 2024
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 rating71.1 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,945 (2020)
Projected traffic12,000 by 2040
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 195th Ave. NE over Tributary built?

It was built in 2012, making it 13 years old in 2025.

What condition is 195th Ave. NE over Tributary 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 July 2024.

How much traffic does 195th Ave. NE over Tributary carry?

About 7,945 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 195th Ave. NE over Tributary?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 52 ft wide.

Who owns 195th Ave. NE over Tributary?

It is owned by the County Highway Agency.