US Bridges

10 Av S over Clover Creek

Fair

Pierce County, Washington · .61 W JCT SR7 · Structure no. 082179000000000

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
2,370
2024 count
Owner
County
County Highway Agency

About this bridge

10 Av S over Clover Creek is a concrete slab carrying 10 Av S over Clover Creek in Pierce County, Washington. It was built in 1967, so it is 58 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 2,370 vehicles a day, roughly 5% of them trucks, projected to reach 3,900 by 2040. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries10 Av S
CrossesClover Creek
Location.61 W JCT SR7
RouteCounty Highway 50830
Coordinates47.13864, -122.44784
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,370 (2024)
Projected traffic3,900 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 10 Av S over Clover Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 10 Av S over Clover Creek 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 July 2024.

How much traffic does 10 Av S over Clover Creek carry?

About 2,370 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 10 Av S over Clover Creek?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns 10 Av S over Clover Creek?

It is owned by the County Highway Agency.