US Bridges

328 Way SE over Raging River

Good

King County, Washington · 300 Ft N of Fall City RD · Structure no. 086380000000000

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Truss - Thru
Steel
Length
125 ft
1 main span
Daily traffic
1,563
2019 count
Owner
County
County Highway Agency

About this bridge

328 Way SE over Raging River is a steel truss - thru carrying 328 Way SE over Raging River in King County, Washington. It was built in 1998, so it is 27 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 1,563 vehicles a day, roughly 2% of them trucks, projected to reach 2,825 by 2039. The structure is 125 ft (38.1 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries328 Way SE
CrossesRaging River
Location300 Ft N of Fall City RD
RouteCounty Highway 83010
Coordinates47.55446, -121.90022
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length125 ft (38.1 m)
Longest span120 ft (36.6 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck17 ft (5 m)

Traffic and service

Average daily traffic1,563 (2019)
Projected traffic2,825 by 2039
Trucks2%
Lanes on structure2
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 328 Way SE over Raging River built?

It was built in 1998, making it 27 years old in 2025.

What condition is 328 Way SE over Raging River 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 April 2023.

How much traffic does 328 Way SE over Raging River carry?

About 1,563 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is 328 Way SE over Raging River?

The structure is 125 ft (38.1 m) long with a longest span of 120 ft (36.6 m) and a deck 38 ft wide.

Who owns 328 Way SE over Raging River?

It is owned by the County Highway Agency.