US Bridges

Patterson Ferry RD over Patterson Ferry RD Canal

Fair

Morrow County, Oregon · 1.0 MI South of HWY 730 · Structure no. 49C17 093000000

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
6,066
2020 count
Owner
County
County Highway Agency

About this bridge

Patterson Ferry RD over Patterson Ferry RD Canal is a steel stringer/multi-beam or girder carrying Patterson Ferry RD over Patterson Ferry RD Canal in Morrow 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 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 6,066 vehicles a day, roughly 5% of them trucks, projected to reach 9,803 by 2025. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPatterson Ferry RD
CrossesPatterson Ferry RD Canal
Location1.0 MI South of HWY 730
RouteCity Street 0
CountyMorrow County
StateOregon
Coordinates45.85203, -119.56036
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,066 (2020)
Projected traffic9,803 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Patterson Ferry RD over Patterson Ferry RD Canal built?

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

What condition is Patterson Ferry RD over Patterson Ferry RD Canal 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 November 2024.

How much traffic does Patterson Ferry RD over Patterson Ferry RD Canal carry?

About 6,066 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Patterson Ferry RD over Patterson Ferry RD Canal?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns Patterson Ferry RD over Patterson Ferry RD Canal?

It is owned by the County Highway Agency.