US Bridges

SR 162 over S Prairie CR

Good

Pierce County, Washington · 13.1 E JCT SR 410 · Structure no. 0008606C0000000

Built
1969
56 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
225 ft
3 main spans
Daily traffic
8,745
2023 count
Owner
State
State Highway Agency

About this bridge

SR 162 over S Prairie CR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 162 over S Prairie CR in Pierce County, Washington. It was built in 1969, so it is 56 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 8,745 vehicles a day, roughly 10% of them trucks, projected to reach 12,420 by 2039. The structure is 225 ft (68.6 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSR 162
CrossesS Prairie CR
Location13.1 E JCT SR 410
RouteState Highway 162
CountyPierce County
StateWashington
Coordinates47.12814, -122.13408
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length225 ft (68.6 m)
Longest span100 ft (30.5 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,745 (2023)
Projected traffic12,420 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$3.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 162 over S Prairie CR built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR 162 over S Prairie CR 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 August 2023.

How much traffic does SR 162 over S Prairie CR carry?

About 8,745 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 162 over S Prairie CR?

The structure is 225 ft (68.6 m) long with a longest span of 100 ft (30.5 m) and a deck 36 ft wide.

Who owns SR 162 over S Prairie CR?

It is owned by the State Highway Agency.