US Bridges

I-90 over N Paha Packard RD

Fair

Adams County, Washington · 8.4 E JCT SR 21 · Structure no. 0009206C0000000

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
5,950
2023 count
Owner
State
State Highway Agency

About this bridge

I-90 over N Paha Packard RD is a prestressed concrete stringer/multi-beam or girder carrying I-90 over N Paha Packard RD in Adams County, Washington. It was built in 1972, so it is 53 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 5 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 5,950 vehicles a day, roughly 26% of them trucks, projected to reach 6,897 by 2039. The structure is 105 ft (32 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90
CrossesN Paha Packard RD
Location8.4 E JCT SR 21
RouteInterstate 90
Coordinates47.11081, -118.49444
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length105 ft (32 m)
Longest span100 ft (30.5 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,950 (2023)
Projected traffic6,897 by 2039
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 over N Paha Packard RD built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-90 over N Paha Packard RD 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 July 2024.

How much traffic does I-90 over N Paha Packard RD carry?

About 5,950 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I-90 over N Paha Packard RD?

The structure is 105 ft (32 m) long with a longest span of 100 ft (30.5 m) and a deck 40 ft wide.

Who owns I-90 over N Paha Packard RD?

It is owned by the State Highway Agency.