US Bridges

154th ST NW over SR 16

Good

Pierce County, Washington · 2.0 N JCT SR 302 · Structure no. 0010280D0000000

Built
1977
48 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
215 ft
2 main spans
Daily traffic
1,625
2010 count
Owner
State
State Highway Agency

About this bridge

154th ST NW over SR 16 is a concrete continuous box beam or girders - multiple carrying 154th ST NW over SR 16 in Pierce County, Washington. It was built in 1977, so it is 48 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 1,625 vehicles a day, roughly 1% of them trucks, projected to reach 2,639 by 2036. The structure is 215 ft (65.5 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries154th ST NW
CrossesSR 16
Location2.0 N JCT SR 302
RouteCounty Highway 0
Coordinates47.39831, -122.62256
Functional classUrban Minor 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.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating75.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length215 ft (65.5 m)
Longest span111 ft (33.8 m)
Deck width37 ft (11.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,625 (2010)
Projected traffic2,639 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$3.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 154th ST NW over SR 16 built?

It was built in 1977, making it 48 years old in 2025.

What condition is 154th ST NW 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 2024.

How much traffic does 154th ST NW over SR 16 carry?

About 1,625 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 154th ST NW over SR 16?

The structure is 215 ft (65.5 m) long with a longest span of 111 ft (33.8 m) and a deck 37 ft wide.

Who owns 154th ST NW over SR 16?

It is owned by the State Highway Agency.