US Bridges

Spanaway Loop RD S over Clover Creek

Good

Pierce County, Washington · 1.0 S JCT SR 512 · Structure no. 086064000000000

Built
1993
32 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
39 ft
1 main span
Daily traffic
28,600
2024 count
Owner
County
County Highway Agency

About this bridge

Spanaway Loop RD S over Clover Creek is a concrete slab carrying Spanaway Loop RD S over Clover Creek in Pierce County, Washington. It was built in 1993, so it is 32 years old, younger 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 28,600 vehicles a day, roughly 5% of them trucks, projected to reach 47,000 by 2040. The structure is 39 ft (11.9 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSpanaway Loop RD S
CrossesClover Creek
Location1.0 S JCT SR 512
RouteCounty Highway 95030
Coordinates47.14347, -122.45942
Functional classUrban Other Principal 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.
Substructure8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating104.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width73 ft (22.2 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,600 (2024)
Projected traffic47,000 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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$2.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Spanaway Loop RD S over Clover Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Spanaway Loop RD S over Clover 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 2024.

How much traffic does Spanaway Loop RD S over Clover Creek carry?

About 28,600 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Spanaway Loop RD S over Clover Creek?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 73 ft wide.

Who owns Spanaway Loop RD S over Clover Creek?

It is owned by the County Highway Agency.