US Bridges

South 43rd Street over Hospital Access Road

Fair

King County, Washington · 0.2 MI E JCT SR-167 · Structure no. 086035000000000

Built
1992
33 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
34,442
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

South 43rd Street over Hospital Access Road is a concrete culvert carrying South 43rd Street over Hospital Access Road in King County, Washington. It was built in 1992, so it is 33 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 34,442 vehicles a day, roughly 15% of them trucks, projected to reach 40,200 by 2039. The structure is 35 ft (10.7 m) long and 105 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSouth 43rd Street
CrossesHospital Access Road
Location0.2 MI E JCT SR-167
RouteCity Street 1274
Coordinates47.44111, -122.21519
Functional classUrban Other Principal 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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating67.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width105 ft (32 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,442 (2019)
Projected traffic40,200 by 2039
Trucks15%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was South 43rd Street over Hospital Access Road built?

It was built in 1992, making it 33 years old in 2025.

What condition is South 43rd Street over Hospital Access Road 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 South 43rd Street over Hospital Access Road carry?

About 34,442 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is South 43rd Street over Hospital Access Road?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 105 ft wide.

Who owns South 43rd Street over Hospital Access Road?

It is owned by the City or Municipal Highway Agency.