US Bridges

SR 16 W-N Ramp over Center St/Strr

Good

Pierce County, Washington · 0.3 N JCT I-5 · Structure no. 0018189D0000000

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
975 ft
7 main spans
Daily traffic
2,113
2022 count
Owner
State
State Highway Agency

About this bridge

SR 16 W-N Ramp over Center St/Strr is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 16 W-N Ramp over Center St/Strr in Pierce County, Washington. It was built in 2013, so it is 12 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 2,113 vehicles a day, roughly 7% of them trucks, projected to reach 3,040 by 2039. The structure is 975 ft (297.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 16 W-N Ramp
CrossesCenter St/Strr
Location0.3 N JCT I-5
RouteState Highway 16
CountyPierce County
StateWashington
Coordinates47.23466, -122.46632
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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length975 ft (297.2 m)
Longest span182 ft (55.5 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,113 (2022)
Projected traffic3,040 by 2039
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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$13.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 16 W-N Ramp over Center St/Strr built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 16 W-N Ramp over Center St/Strr 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 SR 16 W-N Ramp over Center St/Strr carry?

About 2,113 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR 16 W-N Ramp over Center St/Strr?

The structure is 975 ft (297.2 m) long with a longest span of 182 ft (55.5 m) and a deck 30 ft wide.

Who owns SR 16 W-N Ramp over Center St/Strr?

It is owned by the State Highway Agency.