US Bridges

SR 16 over South 12th Street

Good

Pierce County, Washington · 3.0 N JCT I-5 · Structure no. 0016767C0000000

Built
2006
19 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
50,579
2023 count
Owner
State
State Highway Agency

About this bridge

SR 16 over South 12th Street is a prestressed concrete stringer/multi-beam or girder carrying SR 16 over South 12th Street 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 50,579 vehicles a day, roughly 5% of them trucks, projected to reach 69,286 by 2039. The structure is 135 ft (41.1 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 16
CrossesSouth 12th Street
Location3.0 N JCT I-5
RouteState Highway 16
Coordinates47.24994, -122.51081
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length135 ft (41.1 m)
Longest span133 ft (40.5 m)
Deck width88 ft (26.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,579 (2023)
Projected traffic69,286 by 2039
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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$4.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 16 over South 12th Street built?

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

What condition is SR 16 over South 12th Street 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 South 12th Street carry?

About 50,579 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 16 over South 12th Street?

The structure is 135 ft (41.1 m) long with a longest span of 133 ft (40.5 m) and a deck 88 ft wide.

Who owns SR 16 over South 12th Street?

It is owned by the State Highway Agency.