US Bridges

SR 302 Spur over Purdy Creek

Good

Pierce County, Washington · 0.2 E JCT SR 302 · Structure no. 0019763C0000000

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
13,020
2023 count
Owner
State
State Highway Agency

About this bridge

SR 302 Spur over Purdy Creek is a prestressed concrete slab carrying SR 302 Spur over Purdy Creek in Pierce County, Washington. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,020 vehicles a day, roughly 8% of them trucks, projected to reach 3,425 by 2039. The structure is 77 ft (23.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 302 Spur
CrossesPurdy Creek
Location0.2 E JCT SR 302
RouteState Highway 302
Coordinates47.38765, -122.62606
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating73.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.5 m)
Longest span73 ft (22.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,020 (2023)
Projected traffic3,425 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 302 Spur over Purdy Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR 302 Spur over Purdy 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 February 2024.

How much traffic does SR 302 Spur over Purdy Creek carry?

About 13,020 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 302 Spur over Purdy Creek?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.1 m) and a deck 51 ft wide.

Who owns SR 302 Spur over Purdy Creek?

It is owned by the State Highway Agency.