US Bridges

I-5 over Railroad - Laundry Spur

Fair

Pierce County, Washington · 3.7 N Thurston CO · Structure no. 0005284A0000000

Built
1957
68 years old, rebuilt 1969
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
195 ft
3 main spans
Daily traffic
63,535
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 over Railroad - Laundry Spur is a concrete continuous box beam or girders - multiple carrying I-5 over Railroad - Laundry Spur in Pierce County, Washington. It was built in 1957 and reconstructed in 1969, so it is 68 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 63,535 vehicles a day, roughly 12% of them trucks, projected to reach 91,215 by 2039. The structure is 195 ft (59.4 m) long and 153 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-5
CrossesRailroad - Laundry Spur
Location3.7 N Thurston CO
RouteInterstate 5
Coordinates47.08953, -122.63727
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span75 ft (22.9 m)
Deck width153 ft (46.6 m)
Roadway width147 ft (44.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,535 (2023)
Projected traffic91,215 by 2039
Trucks12%
Lanes on structure10
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$13.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 over Railroad - Laundry Spur built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1969.

What condition is I-5 over Railroad - Laundry Spur in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does I-5 over Railroad - Laundry Spur carry?

About 63,535 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-5 over Railroad - Laundry Spur?

The structure is 195 ft (59.4 m) long with a longest span of 75 ft (22.9 m) and a deck 153 ft wide.

Who owns I-5 over Railroad - Laundry Spur?

It is owned by the State Highway Agency.