US Bridges

I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk

Good

Baker County, Oregon · 143 MI SE JCT Ore 7 · Structure no. 19713 006 31744

Built
2007
18 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
630 ft
3 main spans
Daily traffic
5,898
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk is a steel continuous stringer/multi-beam or girder carrying I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk in Baker County, Oregon. It was built in 2007, so it is 18 years old, younger 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 5,898 vehicles a day, roughly 45% of them trucks, projected to reach 6,950 by 2042. The structure is 630 ft (192 m) long and 46 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

CarriesI-84 (hwy 006) WB
CrossesCnty RD UPRR Alder Crk
Location143 MI SE JCT Ore 7
RouteInterstate 84
StateOregon
Coordinates44.66852, -117.62051
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length630 ft (192 m)
Longest span240 ft (73 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,898 (2022)
Projected traffic6,950 by 2042
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk built?

It was built in 2007, making it 18 years old in 2025.

What condition is I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk 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 I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk carry?

About 5,898 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk?

The structure is 630 ft (192 m) long with a longest span of 240 ft (73 m) and a deck 46 ft wide.

Who owns I-84 (hwy 006) WB over Cnty RD UPRR Alder Crk?

It is owned by the State Highway Agency.