US Bridges

66 Av E over Puyallup River

Fair

Pierce County, Washington · 0.1 N JCT SR 410 · Structure no. 082355000000000

Built
1931
94 years old
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
345 ft
1 main span
Daily traffic
7,250
2021 count
Owner
County
County Highway Agency

About this bridge

66 Av E over Puyallup River is a steel truss - thru carrying 66 Av E over Puyallup River in Pierce County, Washington. It was built in 1931, so it is 94 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 5 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 7,250 vehicles a day, roughly 5% of them trucks, projected to reach 12,000 by 2042. The structure is 345 ft (105.2 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries66 Av E
CrossesPuyallup River
Location0.1 N JCT SR 410
RouteCounty Highway 96590
Coordinates47.21369, -122.34192
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 20
Structure length345 ft (105.2 m)
Longest span301 ft (91.6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic7,250 (2021)
Projected traffic12,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$10.8 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 66 Av E over Puyallup River built?

It was built in 1931, making it 94 years old in 2025.

What condition is 66 Av E over Puyallup River 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 April 2023.

How much traffic does 66 Av E over Puyallup River carry?

About 7,250 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 66 Av E over Puyallup River?

The structure is 345 ft (105.2 m) long with a longest span of 301 ft (91.6 m) and a deck 22 ft wide.

Who owns 66 Av E over Puyallup River?

It is owned by the County Highway Agency.