US Bridges

I-84 (hwy 006) EB over N Spruce ST

Fair

Union County, Oregon · 1.7 E. Jct. US 30 · Structure no. 09631A006 26093

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
5,808
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 006) EB over N Spruce ST is a concrete continuous slab carrying I-84 (hwy 006) EB over N Spruce ST in Union 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 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 5,808 vehicles a day, roughly 38% of them trucks, projected to reach 6,200 by 2042. The structure is 151 ft (46 m) long and 45 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesI-84 (hwy 006) EB
CrossesN Spruce ST
Location1.7 E. Jct. US 30
RouteInterstate 84
StateOregon
Coordinates45.34008, -118.08643
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length151 ft (46 m)
Longest span75 ft (22.9 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,808 (2022)
Projected traffic6,200 by 2042
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed42.9 mi (69 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) EB over N Spruce ST built?

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

What condition is I-84 (hwy 006) EB over N Spruce ST 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 May 2024.

How much traffic does I-84 (hwy 006) EB over N Spruce ST carry?

About 5,808 vehicles per day (2022 count), of which roughly 38% are trucks.

How long is I-84 (hwy 006) EB over N Spruce ST?

The structure is 151 ft (46 m) long with a longest span of 75 ft (22.9 m) and a deck 45 ft wide.

Who owns I-84 (hwy 006) EB over N Spruce ST?

It is owned by the State Highway Agency.