US Bridges

SR 16 over 6th Ave

Good

Pierce County, Washington · 3.5 N JCT I-5 · Structure no. 0012245B0000000

Built
1983
42 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
211 ft
3 main spans
Daily traffic
37,910
2023 count
Owner
State
State Highway Agency

About this bridge

SR 16 over 6th Ave is a prestressed concrete continuous box beam or girders - multiple carrying SR 16 over 6th Ave in Pierce County, Washington. It was built in 1983, so it is 42 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 211 ft (64.3 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 16
Crosses6th Ave
Location3.5 N JCT I-5
RouteState Highway 16
Coordinates47.25517, -122.51406
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length211 ft (64.3 m)
Longest span125 ft (38.1 m)
Deck width89 ft (27.1 m)
Roadway width87 ft (26.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,910 (2023)
Projected traffic51,932 by 2039
Trucks5%
Lanes on structure4
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 16 over 6th Ave built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR 16 over 6th Ave 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 SR 16 over 6th Ave carry?

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

How long is SR 16 over 6th Ave?

The structure is 211 ft (64.3 m) long with a longest span of 125 ft (38.1 m) and a deck 89 ft wide.

Who owns SR 16 over 6th Ave?

It is owned by the State Highway Agency.