US Bridges

Mcgraw ST over Ravine

FairPosted for load

King County, Washington · Mcgraw ST & 3rd Ave N · Structure no. 085335000000000

Built
1935
90 years old, rebuilt 2024
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
238 ft
1 main span
Daily traffic
3,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcgraw ST over Ravine is a concrete arch - deck carrying Mcgraw ST over Ravine in King County, Washington. It was built in 1935 and reconstructed in 2024, so it is 90 years old, older 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. Its operating status is: posted for load restriction.

It carries about 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 4,000 by 2042. The structure is 238 ft (72.5 m) long and 45 ft wide.

CarriesMcgraw ST
CrossesRavine
LocationMcgraw ST & 3rd Ave N
RouteCity Street 1140
Coordinates47.63994, -122.35274
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span140 ft (42.7 m)
Deck width45 ft (13.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic4,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mcgraw ST over Ravine built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2024.

What condition is Mcgraw ST over Ravine 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 May 2024.

How much traffic does Mcgraw ST over Ravine carry?

About 3,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mcgraw ST over Ravine?

The structure is 238 ft (72.5 m) long with a longest span of 140 ft (42.7 m) and a deck 45 ft wide.

Who owns Mcgraw ST over Ravine?

It is owned by the City or Municipal Highway Agency.