US Bridges

I-84 (hwy 006) over Weatherby Interchange

Good

Baker County, Oregon · 162 MI N Malheur CO Line · Structure no. 09332 006 33576

Built
1972
53 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
167 ft
3 main spans
Daily traffic
11,897
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) over Weatherby Interchange is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 006) over Weatherby Interchange in Baker County, Oregon. It was built in 1972, so it is 53 years old, older than the Oregon average of 49.9 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 11,897 vehicles a day, roughly 42% of them trucks, projected to reach 18,200 by 2042. The structure is 167 ft (50.9 m) long and 91 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

CarriesI-84 (hwy 006)
CrossesWeatherby Interchange
Location162 MI N Malheur CO Line
RouteInterstate 84
StateOregon
Coordinates44.49659, -117.36846
Functional classRural Principal Arterial - Interstate

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 inspectionApril 2023
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 rating23.6 US tons
Inventory rating18.2 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span78 ft (23.9 m)
Deck width91 ft (27.6 m)
Roadway width88 ft (26.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,897 (2022)
Projected traffic18,200 by 2042
Trucks42%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed70.8 mi (114 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 (hwy 006) over Weatherby Interchange built?

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

What condition is I-84 (hwy 006) over Weatherby Interchange 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 2023.

How much traffic does I-84 (hwy 006) over Weatherby Interchange carry?

About 11,897 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is I-84 (hwy 006) over Weatherby Interchange?

The structure is 167 ft (50.9 m) long with a longest span of 78 ft (23.9 m) and a deck 91 ft wide.

Who owns I-84 (hwy 006) over Weatherby Interchange?

It is owned by the State Highway Agency.