US Bridges

I-5 over Pendleton Ave

Fair

Pierce County, Washington · 4.4 N Thurston CO · Structure no. 0005394B0000000

Built
1957
68 years old, rebuilt 1969
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
39 ft
1 main span
Daily traffic
64,714
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 over Pendleton Ave is a concrete slab carrying I-5 over Pendleton Ave in Pierce County, Washington. It was built in 1957 and reconstructed in 1969, so it is 68 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 64,714 vehicles a day, roughly 13% of them trucks, projected to reach 92,954 by 2039. The structure is 39 ft (11.9 m) long and 119 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-5
CrossesPendleton Ave
Location4.4 N Thurston CO
RouteInterstate 5
CountyPierce County
StateWashington
Coordinates47.09519, -122.61689
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width119 ft (36.3 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,714 (2023)
Projected traffic92,954 by 2039
Trucks13%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$2.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 over Pendleton Ave built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1969.

What condition is I-5 over Pendleton Ave 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 September 2024.

How much traffic does I-5 over Pendleton Ave carry?

About 64,714 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is I-5 over Pendleton Ave?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 119 ft wide.

Who owns I-5 over Pendleton Ave?

It is owned by the State Highway Agency.