US Bridges

S Tacoma Way over I-5 Ramp

Fair

Pierce County, Washington · 12.1 N Thurston CO · Structure no. 0005651A0000000

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
283 ft
2 main spans
Daily traffic
17,105
2021 count
Owner
State
State Highway Agency

About this bridge

S Tacoma Way over I-5 Ramp is a concrete continuous box beam or girders - multiple carrying S Tacoma Way over I-5 Ramp in Pierce County, Washington. It was built in 1958, so it is 67 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.

It carries about 17,105 vehicles a day, roughly 6% of them trucks, projected to reach 19,158 by 2041. The structure is 283 ft (86.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Tacoma Way
CrossesI-5 Ramp
Location12.1 N Thurston CO
RouteCity Street 0
Coordinates47.15976, -122.48359
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span136 ft (41.5 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,105 (2021)
Projected traffic19,158 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
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$5.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S Tacoma Way over I-5 Ramp built?

It was built in 1958, making it 67 years old in 2025.

What condition is S Tacoma Way over I-5 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 October 2024.

How much traffic does S Tacoma Way over I-5 Ramp carry?

About 17,105 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is S Tacoma Way over I-5 Ramp?

The structure is 283 ft (86.3 m) long with a longest span of 136 ft (41.5 m) and a deck 40 ft wide.

Who owns S Tacoma Way over I-5 Ramp?

It is owned by the State Highway Agency.