US Bridges

I-84 (hwy 006) WB over UPRR & Conn (encina I/C)

Fair

Baker County, Oregon · 384 MI NW Malheur CO Line · Structure no. 08302W006 31365

Built
1964
61 years old, rebuilt 1991
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
284 ft
1 main span
Daily traffic
5,881
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) WB over UPRR & Conn (encina I/C) is a steel stringer/multi-beam or girder carrying I-84 (hwy 006) WB over UPRR & Conn (encina I/C) in Baker County, Oregon. It was built in 1964 and reconstructed in 1991, so it is 61 years old, older than the Oregon average of 49.9 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 5,881 vehicles a day, roughly 45% of them trucks, projected to reach 6,950 by 2042. The structure is 284 ft (86.5 m) long and 45 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

Location

Open in Google Maps
CarriesI-84 (hwy 006) WB
CrossesUPRR & Conn (encina I/C)
Location384 MI NW Malheur CO Line
RouteInterstate 84
CountyBaker County
StateOregon
Coordinates44.69319, -117.68839
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 20
Structure length284 ft (86.5 m)
Longest span77 ft (23.5 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,881 (2022)
Projected traffic6,950 by 2042
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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) WB over UPRR & Conn (encina I/C) built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is I-84 (hwy 006) WB over UPRR & Conn (encina I/C) 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 April 2024.

How much traffic does I-84 (hwy 006) WB over UPRR & Conn (encina I/C) carry?

About 5,881 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is I-84 (hwy 006) WB over UPRR & Conn (encina I/C)?

The structure is 284 ft (86.5 m) long with a longest span of 77 ft (23.5 m) and a deck 45 ft wide.

Who owns I-84 (hwy 006) WB over UPRR & Conn (encina I/C)?

It is owned by the State Highway Agency.