US Bridges

HWY 064 SB over Woodstock and Foster RD

Fair

Multnomah County, Oregon · 7.1 MI N Clackamas River · Structure no. 13538A064 01780

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
422 ft
3 main spans
Daily traffic
75,850
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 064 SB over Woodstock and Foster RD is a prestressed concrete continuous box beam or girders - multiple carrying HWY 064 SB over Woodstock and Foster RD in Multnomah County, Oregon. It was built in 1978, so it is 47 years old, younger 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 75,850 vehicles a day, roughly 8% of them trucks, projected to reach 83,650 by 2042. The structure is 422 ft (128.6 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY 064 SB
CrossesWoodstock and Foster RD
Location7.1 MI N Clackamas River
RouteInterstate 205
StateOregon
Coordinates45.4787, -122.566
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.1 US tons
Inventory rating12.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length422 ft (128.6 m)
Longest span154 ft (46.9 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,850 (2022)
Projected traffic83,650 by 2042
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 HWY 064 SB over Woodstock and Foster RD built?

It was built in 1978, making it 47 years old in 2025.

What condition is HWY 064 SB over Woodstock and Foster RD 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 March 2023.

How much traffic does HWY 064 SB over Woodstock and Foster RD carry?

About 75,850 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is HWY 064 SB over Woodstock and Foster RD?

The structure is 422 ft (128.6 m) long with a longest span of 154 ft (46.9 m) and a deck 64 ft wide.

Who owns HWY 064 SB over Woodstock and Foster RD?

It is owned by the State Highway Agency.