US Bridges

SR 513 over Pedestrian Trail

Good

King County, Washington · JCT SR 520 · Structure no. 0019015C0000000

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
17,966
2023 count
Owner
State
State Highway Agency

About this bridge

SR 513 over Pedestrian Trail is a concrete frame carrying SR 513 over Pedestrian Trail in King County, Washington. It was built in 2023, so it is 2 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 17,966 vehicles a day, roughly 3% of them trucks, projected to reach 46,381 by 2039. The structure is 27 ft (8.2 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 513
CrossesPedestrian Trail
LocationJCT SR 520
RouteState Highway 513
CountyKing County
StateWashington
Coordinates47.64488, -122.30454
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 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 rating99.3 US tons
Inventory rating66 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,966 (2023)
Projected traffic46,381 by 2039
Trucks3%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 513 over Pedestrian Trail built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 513 over Pedestrian Trail 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 February 2024.

How much traffic does SR 513 over Pedestrian Trail carry?

About 17,966 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 513 over Pedestrian Trail?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns SR 513 over Pedestrian Trail?

It is owned by the State Highway Agency.