US Bridges

Ladd Canyon RD over I-84 (hwy 006)

Good

Union County, Oregon · 090 MI SE JCT Ore 203 · Structure no. 09779 006C27391

Built
1973
52 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
313 ft
3 main spans
Daily traffic
17
2022 count
Owner
State
State Highway Agency

About this bridge

Ladd Canyon RD over I-84 (hwy 006) is a prestressed concrete continuous box beam or girders - multiple carrying Ladd Canyon RD over I-84 (hwy 006) in Union County, Oregon. It was built in 1973, so it is 52 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 17 vehicles a day, roughly 35% of them trucks, projected to reach 20 by 2030. The structure is 313 ft (95.4 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLadd Canyon RD
CrossesI-84 (hwy 006)
Location090 MI SE JCT Ore 203
RouteInterstate 84
StateOregon
Coordinates45.18274, -117.98696
Functional classRural Local

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length313 ft (95.4 m)
Longest span130 ft (39.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2022)
Projected traffic20 by 2030
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 Ladd Canyon RD over I-84 (hwy 006) built?

It was built in 1973, making it 52 years old in 2025.

What condition is Ladd Canyon RD over I-84 (hwy 006) 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 June 2024.

How much traffic does Ladd Canyon RD over I-84 (hwy 006) carry?

About 17 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is Ladd Canyon RD over I-84 (hwy 006)?

The structure is 313 ft (95.4 m) long with a longest span of 130 ft (39.6 m) and a deck 34 ft wide.

Who owns Ladd Canyon RD over I-84 (hwy 006)?

It is owned by the State Highway Agency.