US Bridges

Port of Tacoma RD over Port Access Road

Good

Pierce County, Washington · 1.9 N JCT I-705 · Structure no. 089146000000000

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
60 ft
2 main spans
Daily traffic
13,900
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Port of Tacoma RD over Port Access Road is a steel culvert carrying Port of Tacoma RD over Port Access Road 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 13,900 vehicles a day, roughly 15% of them trucks, projected to reach 15,000 by 2042. The structure is 60 ft (18.3 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPort of Tacoma RD
CrossesPort Access Road
Location1.9 N JCT I-705
RouteCity Street 509
CountyPierce County
StateWashington
Coordinates47.24933, -122.38565
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
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span21 ft (6.4 m)
Deck width72 ft (21.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,900 (2020)
Projected traffic15,000 by 2042
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Port of Tacoma RD over Port Access Road built?

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

What condition is Port of Tacoma RD over Port Access Road 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 April 2024.

How much traffic does Port of Tacoma RD over Port Access Road carry?

About 13,900 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Port of Tacoma RD over Port Access Road?

The structure is 60 ft (18.3 m) long with a longest span of 21 ft (6.4 m) and a deck 72 ft wide.

Who owns Port of Tacoma RD over Port Access Road?

It is owned by the City or Municipal Highway Agency.