US Bridges

I-5 over I-705 SR 7 Ramps RR

Fair

Pierce County, Washington · 1.3 N JCT SR 16 · Structure no. 0007326B0000000

Built
1964
61 years old, rebuilt 1989
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
817 ft
10 main spans
Daily traffic
74,394
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 over I-705 SR 7 Ramps RR is a concrete continuous box beam or girders - multiple carrying I-5 over I-705 SR 7 Ramps RR in Pierce County, Washington. It was built in 1964 and reconstructed in 1989, so it is 61 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 74,394 vehicles a day, roughly 8% of them trucks, projected to reach 124,242 by 2039. The structure is 817 ft (249 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-5
CrossesI-705 SR 7 Ramps RR
Location1.3 N JCT SR 16
RouteInterstate 5
CountyPierce County
StateWashington
Coordinates47.23328, -122.434
Functional classUrban Principal Arterial - Interstate

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 inspectionNovember 2023
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 rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length817 ft (249 m)
Longest span97 ft (29.6 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,394 (2023)
Projected traffic124,242 by 2039
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$24.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 over I-705 SR 7 Ramps RR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1989.

What condition is I-5 over I-705 SR 7 Ramps RR 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 I-5 over I-705 SR 7 Ramps RR carry?

About 74,394 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I-5 over I-705 SR 7 Ramps RR?

The structure is 817 ft (249 m) long with a longest span of 97 ft (29.6 m) and a deck 65 ft wide.

Who owns I-5 over I-705 SR 7 Ramps RR?

It is owned by the State Highway Agency.