US Bridges

HWY 064 SB over UPRR

Fair

Clackamas County, Oregon · 4.6 MI N of Oregon City · Structure no. 09717A064 01376

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
4 main spans
Daily traffic
52,877
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 064 SB over UPRR is a prestressed concrete stringer/multi-beam or girder carrying HWY 064 SB over UPRR in Clackamas 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 52,877 vehicles a day, roughly 8% of them trucks, projected to reach 60,950 by 2042. The structure is 300 ft (91.4 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY 064 SB
CrossesUPRR
Location4.6 MI N of Oregon City
RouteInterstate 205
StateOregon
Coordinates45.42247, -122.57121
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.
Superstructure7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span92 ft (28 m)
Deck width62 ft (18.8 m)
Roadway width62 ft (18.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,877 (2022)
Projected traffic60,950 by 2042
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 064 SB over UPRR built?

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

What condition is HWY 064 SB over UPRR 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 UPRR carry?

About 52,877 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is HWY 064 SB over UPRR?

The structure is 300 ft (91.4 m) long with a longest span of 92 ft (28 m) and a deck 62 ft wide.

Who owns HWY 064 SB over UPRR?

It is owned by the State Highway Agency.