US Bridges

Overlake DR over Depression

PoorPosted for load

King County, Washington · 0.5 E JCT 84th Ave · Structure no. 086228000000000

Built
1951
74 years old, rebuilt 1968
Condition
Poor
inspected May 2024
Type
Channel Beam
Concrete
Length
60 ft
3 main spans
Daily traffic
1,050
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Overlake DR over Depression is a concrete channel beam carrying Overlake DR over Depression in King County, Washington. It was built in 1951 and reconstructed in 1968, so it is 74 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,050 vehicles a day, roughly 5% of them trucks, projected to reach 1,300 by 2040. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOverlake DR
CrossesDepression
Location0.5 E JCT 84th Ave
RouteCity Street 7270
Coordinates47.61344, -122.22381
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.3 US tons
Inventory rating11 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2020)
Projected traffic1,300 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Overlake DR over Depression built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1968.

What condition is Overlake DR over Depression in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Overlake DR over Depression carry?

About 1,050 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Overlake DR over Depression?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Overlake DR over Depression?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.