US Bridges

SR 16 over SR 163/PEARL ST

Good

Pierce County, Washington · JCT SR 163 · Structure no. 0016767E0000000

Built
2006
19 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
265 ft
3 main spans
Daily traffic
37,910
2023 count
Owner
State
State Highway Agency

About this bridge

SR 16 over SR 163/PEARL ST is a prestressed concrete continuous box beam or girders - multiple carrying SR 16 over SR 163/PEARL ST in Pierce County, Washington. It was built in 2006, so it is 19 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 37,910 vehicles a day, roughly 5% of them trucks, projected to reach 51,932 by 2039. The structure is 265 ft (80.8 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 16
CrossesSR 163/PEARL ST
LocationJCT SR 163
RouteState Highway 16
CountyPierce County
StateWashington
Coordinates47.25717, -122.5155
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating91.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length265 ft (80.8 m)
Longest span159 ft (48.5 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,910 (2023)
Projected traffic51,932 by 2039
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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$7.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 16 over SR 163/PEARL ST built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR 16 over SR 163/PEARL ST 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 March 2024.

How much traffic does SR 16 over SR 163/PEARL ST carry?

About 37,910 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 16 over SR 163/PEARL ST?

The structure is 265 ft (80.8 m) long with a longest span of 159 ft (48.5 m) and a deck 62 ft wide.

Who owns SR 16 over SR 163/PEARL ST?

It is owned by the State Highway Agency.