US Bridges

Sprague Ave over SR 16

Good

Pierce County, Washington · 0.37 N JCT I-5 · Structure no. 0017594F0000000

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
426 ft
4 main spans
Daily traffic
13,000
2014 count
Owner
State
State Highway Agency

About this bridge

Sprague Ave over SR 16 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sprague Ave over SR 16 in Pierce County, Washington. It was built in 2010, so it is 15 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 13,000 vehicles a day, roughly 7% of them trucks, projected to reach 23,360 by 2036. The structure is 426 ft (129.8 m) long and 56 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSprague Ave
CrossesSR 16
Location0.37 N JCT I-5
RouteCity Street 16
Coordinates47.23489, -122.46628
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length426 ft (129.8 m)
Longest span160 ft (48.8 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2014)
Projected traffic23,360 by 2036
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$11.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sprague Ave over SR 16 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sprague Ave over SR 16 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 2023.

How much traffic does Sprague Ave over SR 16 carry?

About 13,000 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is Sprague Ave over SR 16?

The structure is 426 ft (129.8 m) long with a longest span of 160 ft (48.8 m) and a deck 56 ft wide.

Who owns Sprague Ave over SR 16?

It is owned by the State Highway Agency.