US Bridges

S Lander ST over RR Uxing

Good

King County, Washington · 400 Ft East of 1st Ave S · Structure no. 089145000000000

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
486 ft
4 main spans
Daily traffic
1,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Lander ST over RR Uxing is a prestressed concrete continuous stringer/multi-beam or girder carrying S Lander ST over RR Uxing in King County, Washington. It was built in 2019, so it is 6 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 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,000 by 2040. The structure is 486 ft (148.1 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Lander ST
CrossesRR Uxing
Location400 Ft East of 1st Ave S
RouteCity Street 1140
Coordinates47.57979, -122.332
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length486 ft (148.1 m)
Longest span122 ft (37.2 m)
Deck width67 ft (20.4 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic2,000 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$29.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S Lander ST over RR Uxing built?

It was built in 2019, making it 6 years old in 2025.

What condition is S Lander ST over RR Uxing 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 March 2024.

How much traffic does S Lander ST over RR Uxing carry?

About 1,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is S Lander ST over RR Uxing?

The structure is 486 ft (148.1 m) long with a longest span of 122 ft (37.2 m) and a deck 67 ft wide.

Who owns S Lander ST over RR Uxing?

It is owned by the City or Municipal Highway Agency.