US Bridges

SR 16 over Purdy Creek

Good

Pierce County, Washington · 1.8 N JCT SR 302 · Structure no. 0019763B0000000

Built
2023
2 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
206 ft
1 main span
Daily traffic
26,993
2023 count
Owner
State
State Highway Agency

About this bridge

SR 16 over Purdy Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 16 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 26,993 vehicles a day, roughly 6% of them trucks, projected to reach 36,215 by 2039. The structure is 206 ft (62.8 m) long and 41 ft wide.

CarriesSR 16
CrossesPurdy Creek
Location1.8 N JCT SR 302
RouteState Highway 16
Coordinates47.39675, -122.62108
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length206 ft (62.8 m)
Longest span198 ft (60.4 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,993 (2023)
Projected traffic36,215 by 2039
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$3.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 16 over Purdy Creek built?

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

What condition is SR 16 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 September 2024.

How much traffic does SR 16 over Purdy Creek carry?

About 26,993 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 16 over Purdy Creek?

The structure is 206 ft (62.8 m) long with a longest span of 198 ft (60.4 m) and a deck 41 ft wide.

Who owns SR 16 over Purdy Creek?

It is owned by the State Highway Agency.