US Bridges

66 Av E over Clarks Creek

Good

Pierce County, Washington · 0.8 S JCT SR 410 · Structure no. 082438000000000

Built
1927
98 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
4,850
2020 count
Owner
County
County Highway Agency

About this bridge

66 Av E over Clarks Creek is a concrete tee beam carrying 66 Av E over Clarks Creek in Pierce County, Washington. It was built in 1927, so it is 98 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,850 vehicles a day, roughly 5% of them trucks, projected to reach 9,200 by 2039. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries66 Av E
CrossesClarks Creek
Location0.8 S JCT SR 410
RouteCounty Highway 96590
CountyPierce County
StateWashington
Coordinates47.21439, -122.34116
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length36 ft (11 m)
Longest span31 ft (9.6 m)
Deck width32 ft (9.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,850 (2020)
Projected traffic9,200 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 66 Av E over Clarks Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is 66 Av E over Clarks Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does 66 Av E over Clarks Creek carry?

About 4,850 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 66 Av E over Clarks Creek?

The structure is 36 ft (11 m) long with a longest span of 31 ft (9.6 m) and a deck 32 ft wide.

Who owns 66 Av E over Clarks Creek?

It is owned by the County Highway Agency.