US Bridges

Pacific HWY SW over Sound Transit Railroad

Good

Pierce County, Washington · 00.1 MI E Grav Lk · Structure no. 085646000000000

Built
1959
66 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
41 ft
1 main span
Daily traffic
4,612
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pacific HWY SW over Sound Transit Railroad is a concrete slab carrying Pacific HWY SW over Sound Transit Railroad in Pierce County, Washington. It was built in 1959, so it is 66 years old, older 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 4,612 vehicles a day, roughly 5% of them trucks, projected to reach 9,700 by 2040. The structure is 41 ft (12.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPacific HWY SW
CrossesSound Transit Railroad
Location00.1 MI E Grav Lk
RouteCity Street 90150
CountyPierce County
StateWashington
Coordinates47.13889, -122.52364
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length41 ft (12.5 m)
Longest span36 ft (10.9 m)
Deck width35 ft (10.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,612 (2022)
Projected traffic9,700 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pacific HWY SW over Sound Transit Railroad built?

It was built in 1959, making it 66 years old in 2025.

What condition is Pacific HWY SW over Sound Transit Railroad 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 September 2023.

How much traffic does Pacific HWY SW over Sound Transit Railroad carry?

About 4,612 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Pacific HWY SW over Sound Transit Railroad?

The structure is 41 ft (12.5 m) long with a longest span of 36 ft (10.9 m) and a deck 35 ft wide.

Who owns Pacific HWY SW over Sound Transit Railroad?

It is owned by the City or Municipal Highway Agency.