US Bridges

SR 410 over Silver Creek

Good

Pierce County, Washington · 13.4 E King CO · Structure no. 086262000000000

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
1,444
2023 count
Owner
State
State Highway Agency

About this bridge

SR 410 over Silver Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 410 over Silver Creek 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 1,444 vehicles a day, roughly 6% of them trucks, projected to reach 2,206 by 2039. The structure is 100 ft (30.5 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 410
CrossesSilver Creek
Location13.4 E King CO
RouteState Highway 410
Coordinates46.99919, -121.52903
Functional classRural 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span97 ft (29.6 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,444 (2023)
Projected traffic2,206 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 410 over Silver Creek built?

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

What condition is SR 410 over Silver Creek 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 October 2023.

How much traffic does SR 410 over Silver Creek carry?

About 1,444 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 410 over Silver Creek?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.6 m) and a deck 40 ft wide.

Who owns SR 410 over Silver Creek?

It is owned by the State Highway Agency.