US Bridges

I-5 SB over SR 16 Eb/Sb Hov Ramps

Good

Pierce County, Washington · 5.0 N JCT SR 512 · Structure no. 0018818D0000000

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
495 ft
3 main spans
Daily traffic
67,156
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 SB over SR 16 Eb/Sb Hov Ramps is a prestressed concrete continuous stringer/multi-beam or girder carrying I-5 SB over SR 16 Eb/Sb Hov Ramps in Pierce County, Washington. It was built in 2019, so it is 6 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 67,156 vehicles a day, roughly 11% of them trucks, projected to reach 217,009 by 2038. The structure is 495 ft (150.9 m) long and 82 ft wide.

CarriesI-5 SB
CrossesSR 16 Eb/Sb Hov Ramps
Location5.0 N JCT SR 512
RouteInterstate 5
Coordinates47.23008, -122.46153
Functional classUrban Principal Arterial - Interstate

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 inspectionDecember 2023
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 rating63.2 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length495 ft (150.9 m)
Longest span170 ft (51.8 m)
Deck width82 ft (25.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,156 (2023)
Projected traffic217,009 by 2038
Trucks11%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$18.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 SB over SR 16 Eb/Sb Hov Ramps built?

It was built in 2019, making it 6 years old in 2025.

What condition is I-5 SB over SR 16 Eb/Sb Hov Ramps 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 December 2023.

How much traffic does I-5 SB over SR 16 Eb/Sb Hov Ramps carry?

About 67,156 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-5 SB over SR 16 Eb/Sb Hov Ramps?

The structure is 495 ft (150.9 m) long with a longest span of 170 ft (51.8 m) and a deck 82 ft wide.

Who owns I-5 SB over SR 16 Eb/Sb Hov Ramps?

It is owned by the State Highway Agency.