US Bridges

SR 202 over Snoqualmie River

Fair

King County, Washington · 14.0 E JCT SR 520 · Structure no. 0011599A0000000

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
419 ft
3 main spans
Daily traffic
12,682
2023 count
Owner
State
State Highway Agency

About this bridge

SR 202 over Snoqualmie River is a steel continuous stringer/multi-beam or girder carrying SR 202 over Snoqualmie River in King County, Washington. It was built in 1980, so it is 45 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,682 vehicles a day, roughly 9% of them trucks, projected to reach 17,837 by 2039. The structure is 419 ft (127.7 m) long and 63 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesSR 202
CrossesSnoqualmie River
Location14.0 E JCT SR 520
RouteState Highway 202
CountyKing County
StateWashington
Coordinates47.56786, -121.88761
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length419 ft (127.7 m)
Longest span160 ft (48.8 m)
Deck width63 ft (19.1 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,682 (2023)
Projected traffic17,837 by 2039
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$12.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 202 over Snoqualmie River built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 202 over 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 August 2024.

How much traffic does SR 202 over Snoqualmie River carry?

About 12,682 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 202 over Snoqualmie River?

The structure is 419 ft (127.7 m) long with a longest span of 160 ft (48.8 m) and a deck 63 ft wide.

Who owns SR 202 over Snoqualmie River?

It is owned by the State Highway Agency.