US Bridges

W North Bend Way over S Fork Snoqualmie River

FairPosted for load

King County, Washington · 3.2 MI E of I-90 · Structure no. 085731000000000

Built
1941
84 years old
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Concrete
Length
467 ft
4 main spans
Daily traffic
6,500
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W North Bend Way over S Fork Snoqualmie River is a concrete girder and floorbeam system carrying W North Bend Way over S Fork Snoqualmie River in King County, Washington. It was built in 1941, so it is 84 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 6,500 vehicles a day, roughly 5% of them trucks, projected to reach 9,000 by 2040. The structure is 467 ft (142.3 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW North Bend Way
CrossesS Fork Snoqualmie River
Location3.2 MI E of I-90
RouteCity Street 875
Coordinates47.49775, -121.79178
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.4 US tons
Inventory rating12.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4 (+5 approach)
Design loadUnknown
Structure length467 ft (142.3 m)
Longest span80 ft (24.4 m)
Deck width58 ft (17.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2020)
Projected traffic9,000 by 2040
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$22.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W North Bend Way over S Fork Snoqualmie River built?

It was built in 1941, making it 84 years old in 2025.

What condition is W North Bend Way over S Fork Snoqualmie River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does W North Bend Way over S Fork Snoqualmie River carry?

About 6,500 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is W North Bend Way over S Fork Snoqualmie River?

The structure is 467 ft (142.3 m) long with a longest span of 80 ft (24.4 m) and a deck 58 ft wide.

Who owns W North Bend Way over S Fork Snoqualmie River?

It is owned by the City or Municipal Highway Agency.