US Bridges

38th ST over I-5

Good

Pierce County, Washington · 4.3 N JCT SR 512 · Structure no. 0015935A0000000

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
324 ft
2 main spans
Daily traffic
29,024
2007 count
Owner
State
State Highway Agency

About this bridge

38th ST over I-5 is a prestressed concrete continuous box beam or girders - single or spread carrying 38th ST over I-5 in Pierce County, Washington. It was built in 2001, so it is 24 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 29,024 vehicles a day, roughly 2% of them trucks, projected to reach 51,750 by 2036. The structure is 324 ft (98.8 m) long and 109 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries38th ST
CrossesI-5
Location4.3 N JCT SR 512
RouteCity Street 0
CountyPierce County
StateWashington
Coordinates47.22293, -122.46407
Functional classUrban Other Principal 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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length324 ft (98.8 m)
Longest span164 ft (50 m)
Deck width109 ft (33.1 m)
Roadway width106 ft (32.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,024 (2007)
Projected traffic51,750 by 2036
Trucks2%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$16.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 38th ST over I-5 built?

It was built in 2001, making it 24 years old in 2025.

What condition is 38th ST over I-5 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 November 2023.

How much traffic does 38th ST over I-5 carry?

About 29,024 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is 38th ST over I-5?

The structure is 324 ft (98.8 m) long with a longest span of 164 ft (50 m) and a deck 109 ft wide.

Who owns 38th ST over I-5?

It is owned by the State Highway Agency.