US Bridges

I-84 (hwy 006) over Burnt River (rr Tunnel)

Good

Baker County, Oregon · 147 MI N Malheur CO Line · Structure no. 01781A006 33727

Built
1971
54 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
3 main spans
Daily traffic
11,958
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) over Burnt River (rr Tunnel) is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 006) over Burnt River (rr Tunnel) in Baker County, Oregon. It was built in 1971, so it is 54 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 11,958 vehicles a day, roughly 45% of them trucks, projected to reach 14,100 by 2042. The structure is 260 ft (79.4 m) long and 91 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

Location

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CarriesI-84 (hwy 006)
CrossesBurnt River (rr Tunnel)
Location147 MI N Malheur CO Line
RouteInterstate 84
CountyBaker County
StateOregon
Coordinates44.48399, -117.34791
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.2 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length260 ft (79.4 m)
Longest span93 ft (28.3 m)
Deck width91 ft (27.6 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,958 (2022)
Projected traffic14,100 by 2042
Trucks45%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-84 (hwy 006) over Burnt River (rr Tunnel) built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-84 (hwy 006) over Burnt River (rr Tunnel) 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 Burnt River (rr Tunnel) carry?

About 11,958 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is I-84 (hwy 006) over Burnt River (rr Tunnel)?

The structure is 260 ft (79.4 m) long with a longest span of 93 ft (28.3 m) and a deck 91 ft wide.

Who owns I-84 (hwy 006) over Burnt River (rr Tunnel)?

It is owned by the State Highway Agency.