US Bridges

I-5 Nbcd over 41st Division DR

Fair

Pierce County, Washington · 6.1 N Thurston CO · Structure no. 0008580B0000000

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
172 ft
3 main spans
Daily traffic
5,539
2019 count
Owner
State
State Highway Agency

About this bridge

I-5 Nbcd over 41st Division DR is a prestressed concrete continuous stringer/multi-beam or girder carrying I-5 Nbcd over 41st Division DR 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 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 5,539 vehicles a day, roughly 2% of them trucks, projected to reach 8,020 by 2039. The structure is 172 ft (52.4 m) long and 41 ft wide.

CarriesI-5 Nbcd
Crosses41st Division DR
Location6.1 N Thurston CO
RouteInterstate 5
Coordinates47.10387, -122.58855
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length172 ft (52.4 m)
Longest span89 ft (27.1 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,539 (2019)
Projected traffic8,020 by 2039
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$3.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 Nbcd over 41st Division DR built?

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

What condition is I-5 Nbcd over 41st Division DR 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 2023.

How much traffic does I-5 Nbcd over 41st Division DR carry?

About 5,539 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is I-5 Nbcd over 41st Division DR?

The structure is 172 ft (52.4 m) long with a longest span of 89 ft (27.1 m) and a deck 41 ft wide.

Who owns I-5 Nbcd over 41st Division DR?

It is owned by the State Highway Agency.