US Bridges

74th - 72nd ST over S-W Ramp

Fair

Pierce County, Washington · 2.1 N JCT SR 512 · Structure no. 0013207A0000000

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
54 ft
1 main span
Daily traffic
31,732
2007 count
Owner
State
State Highway Agency

About this bridge

74th - 72nd ST over S-W Ramp is a concrete slab carrying 74th - 72nd ST over S-W Ramp in Pierce County, Washington. It was built in 1988, so it is 37 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 31,732 vehicles a day, roughly 2% of them trucks, projected to reach 56,578 by 2036. The structure is 54 ft (16.5 m) long and 101 ft wide.

Carries74th - 72nd ST
CrossesS-W Ramp
Location2.1 N JCT SR 512
RouteCity Street 0
Coordinates47.19042, -122.46314
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length54 ft (16.5 m)
Longest span54 ft (16.5 m)
Deck width101 ft (30.9 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,732 (2007)
Projected traffic56,578 by 2036
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 74th - 72nd ST over S-W Ramp built?

It was built in 1988, making it 37 years old in 2025.

What condition is 74th - 72nd ST over S-W Ramp 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 November 2023.

How much traffic does 74th - 72nd ST over S-W Ramp carry?

About 31,732 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is 74th - 72nd ST over S-W Ramp?

The structure is 54 ft (16.5 m) long with a longest span of 54 ft (16.5 m) and a deck 101 ft wide.

Who owns 74th - 72nd ST over S-W Ramp?

It is owned by the State Highway Agency.