US Bridges

Yesler Way over 4th Ave S

Good

King County, Washington · 4th Ave S & Yesler Way · Structure no. 085047000000000

Built
1909
116 years old, rebuilt 2017
Condition
Good
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
82 ft
1 main span
Daily traffic
8,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Yesler Way over 4th Ave S is a steel girder and floorbeam system carrying Yesler Way over 4th Ave S in King County, Washington. It was built in 1909 and reconstructed in 2017, so it is 116 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,000 vehicles a day, roughly 5% of them trucks, projected to reach 9,000 by 2038. The structure is 82 ft (25 m) long and 76 ft wide.

CarriesYesler Way
Crosses4th Ave S
Location4th Ave S & Yesler Way
RouteCity Street 1140
Coordinates47.60167, -122.32889
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25 m)
Longest span82 ft (25 m)
Deck width76 ft (23.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2018)
Projected traffic9,000 by 2038
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Yesler Way over 4th Ave S built?

It was built in 1909, making it 116 years old in 2025. It was reconstructed in 2017.

What condition is Yesler Way over 4th Ave S 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 June 2023.

How much traffic does Yesler Way over 4th Ave S carry?

About 8,000 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Yesler Way over 4th Ave S?

The structure is 82 ft (25 m) long with a longest span of 82 ft (25 m) and a deck 76 ft wide.

Who owns Yesler Way over 4th Ave S?

It is owned by the City or Municipal Highway Agency.