US Bridges

SR 509 over Milwaukee Way

Good

Pierce County, Washington · 1.6 N JCT I-705 · Structure no. 0014409A0000000

Built
1996
29 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
14,925
2023 count
Owner
State
State Highway Agency

About this bridge

SR 509 over Milwaukee Way is a prestressed concrete stringer/multi-beam or girder carrying SR 509 over Milwaukee Way in Pierce County, Washington. It was built in 1996, so it is 29 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 14,925 vehicles a day, roughly 5% of them trucks, projected to reach 21,927 by 2039. The structure is 135 ft (41.1 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 509
CrossesMilwaukee Way
Location1.6 N JCT I-705
RouteState Highway 509
Coordinates47.24725, -122.40086
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length135 ft (41.1 m)
Longest span130 ft (39.6 m)
Deck width77 ft (23.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,925 (2023)
Projected traffic21,927 by 2039
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 509 over Milwaukee Way built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR 509 over Milwaukee Way 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 2022.

How much traffic does SR 509 over Milwaukee Way carry?

About 14,925 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 509 over Milwaukee Way?

The structure is 135 ft (41.1 m) long with a longest span of 130 ft (39.6 m) and a deck 77 ft wide.

Who owns SR 509 over Milwaukee Way?

It is owned by the State Highway Agency.