US Bridges

Lind Ave SW over P9 Channel/Panther Creek

Fair

King County, Washington · 0.6 MI S of I-405 · Structure no. 085521000000000

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
32 ft
2 main spans
Daily traffic
8,345
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lind Ave SW over P9 Channel/Panther Creek is a steel culvert carrying Lind Ave SW over P9 Channel/Panther Creek in King County, Washington. It was built in 1981, so it is 44 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 8,345 vehicles a day, roughly 13% of them trucks, projected to reach 12,500 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLind Ave SW
CrossesP9 Channel/Panther Creek
Location0.6 MI S of I-405
RouteCity Street 1070
CountyKing County
StateWashington
Coordinates47.45895, -122.22358
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,345 (2023)
Projected traffic12,500 by 2043
Trucks13%
Lanes on structure4
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

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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lind Ave SW over P9 Channel/Panther Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lind Ave SW over P9 Channel/Panther Creek 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 June 2023.

How much traffic does Lind Ave SW over P9 Channel/Panther Creek carry?

About 8,345 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Lind Ave SW over P9 Channel/Panther Creek?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Lind Ave SW over P9 Channel/Panther Creek?

It is owned by the City or Municipal Highway Agency.