US Bridges

Pacific Ave over I-5

Good

Pierce County, Washington · 1.1 N JCT SR 16 · Structure no. 0018607A0000000

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
569 ft
5 main spans
Daily traffic
12,916
2011 count
Owner
State
State Highway Agency

About this bridge

Pacific Ave over I-5 is a prestressed concrete continuous box beam or girders - single or spread carrying Pacific Ave over I-5 in Pierce County, Washington. It was built in 2016, so it is 9 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 12,916 vehicles a day, roughly 3% of them trucks, projected to reach 21,634 by 2036. The structure is 569 ft (173.4 m) long and 71 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPacific Ave
CrossesI-5
Location1.1 N JCT SR 16
RouteCity Street 0
Coordinates47.23387, -122.43419
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length569 ft (173.4 m)
Longest span130 ft (39.6 m)
Deck width71 ft (21.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,916 (2011)
Projected traffic21,634 by 2036
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$34.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pacific Ave over I-5 built?

It was built in 2016, making it 9 years old in 2025.

What condition is Pacific Ave over I-5 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 November 2024.

How much traffic does Pacific Ave over I-5 carry?

About 12,916 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Pacific Ave over I-5?

The structure is 569 ft (173.4 m) long with a longest span of 130 ft (39.6 m) and a deck 71 ft wide.

Who owns Pacific Ave over I-5?

It is owned by the State Highway Agency.