Lakemont Blvd. SE over Coal Creek

Good

King County, Washington · .6 S Forest Drive SE · Structure no. 089516000000000

Built: 2024; 1 years old
Condition: Good; inspected July 2024
Type: Tee Beam; Concrete
Length: 48 ft
Daily traffic: 28,015; 2024 count
Owner: City; City or Municipal Highway Agency

About this bridge

Lakemont Blvd. SE over Coal Creek is a concrete tee beam carrying Lakemont Blvd. SE over Coal Creek in King County, Washington. It was built in 2024, so it is 1 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 28,015 vehicles a day, roughly 5% of them trucks, projected to reach 43,292 by 2044. The structure is 48 ft (14.5 m) long and 48 ft wide.

Location

No coordinates are recorded for this structure.

CarriesLakemont Blvd. SE

CrossesCoal Creek

Location.6 S Forest Drive SE

RouteCity Street 75

CountyKing County

StateWashington

Functional classRural Minor Arterial

Condition and inspection

Good

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

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionJuly 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations on dry land well above flood water elevations

Structural evaluation8: Equal to present desirable 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 rating67.5 US tons

Inventory rating52.1 US tons

Structure

Structure typeTee Beam

MaterialConcrete

DeckConcrete, cast-in-place

Main spans0

Design loadHL 93

Structure length48 ft (14.5 m)

Longest span43 ft (13 m)

Deck width48 ft (14.7 m)

Roadway width26 ft (8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,015 (2024)

Projected traffic43,292 by 2044

Trucks5%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesRelief for waterway

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 statusHistorical significance not determinable at this time

Work proposedReplacement because of substandard load-carrying capacity or roadway geometry

Estimated improvement cost$2.1 million (2022 estimate)

NavigationNot applicable (no waterway)

Frequently asked questions

When was Lakemont Blvd. SE over Coal Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Lakemont Blvd. SE over Coal Creek 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 July 2024.

How much traffic does Lakemont Blvd. SE over Coal Creek carry?

About 28,015 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Lakemont Blvd. SE over Coal Creek?

The structure is 48 ft (14.5 m) long with a longest span of 43 ft (13 m) and a deck 48 ft wide.

Who owns Lakemont Blvd. SE over Coal Creek?

It is owned by the City or Municipal Highway Agency.