US Bridges

Patterson Ferry RD over I-84 (hwy 006)

Good

Morrow County, Oregon · 6.2 MI W Umatilla CO LN · Structure no. 09640 006 17113

Built
1967
58 years old
Condition
Good
inspected March 2024
Type
Frame
Steel Continuous
Length
265 ft
5 main spans
Daily traffic
208
2022 count
Owner
State
State Highway Agency

About this bridge

Patterson Ferry RD over I-84 (hwy 006) is a steel continuous frame carrying Patterson Ferry RD over I-84 (hwy 006) in Morrow County, Oregon. It was built in 1967, so it is 58 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 208 vehicles a day, roughly 21% of them trucks, projected to reach 437 by 2030. The structure is 265 ft (80.8 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesPatterson Ferry RD
CrossesI-84 (hwy 006)
Location6.2 MI W Umatilla CO LN
RouteInterstate 84
CountyMorrow County
StateOregon
Coordinates45.82324, -119.56009
Functional classRural Major Collector

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span76 ft (23.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2022)
Projected traffic437 by 2030
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.3 mi (23 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 Patterson Ferry RD over I-84 (hwy 006) built?

It was built in 1967, making it 58 years old in 2025.

What condition is Patterson Ferry 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 March 2024.

How much traffic does Patterson Ferry RD over I-84 (hwy 006) carry?

About 208 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Patterson Ferry RD over I-84 (hwy 006)?

The structure is 265 ft (80.8 m) long with a longest span of 76 ft (23.2 m) and a deck 32 ft wide.

Who owns Patterson Ferry RD over I-84 (hwy 006)?

It is owned by the State Highway Agency.