US Bridges

Or 224 (hwy 171) over UPRR

Fair

Clackamas County, Oregon · 0.5 MI N of Milwaukie Cc · Structure no. 09554 171 00038

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
245 ft
4 main spans
Daily traffic
29,691
2022 count
Owner
State
State Highway Agency

About this bridge

Or 224 (hwy 171) over UPRR is a prestressed concrete continuous stringer/multi-beam or girder carrying Or 224 (hwy 171) over UPRR in Clackamas County, Oregon. It was built in 1968, so it is 57 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 29,691 vehicles a day, roughly 4% of them trucks, projected to reach 32,700 by 2042. The structure is 245 ft (74.7 m) long and 81 ft wide.

Location

Open in Google Maps
CarriesOr 224 (hwy 171)
CrossesUPRR
Location0.5 MI N of Milwaukie Cc
RouteState Highway 224
CountyClackamas County
StateOregon
Coordinates45.44874, -122.63649
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span63 ft (19.2 m)
Deck width81 ft (24.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,691 (2022)
Projected traffic32,700 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes

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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 224 (hwy 171) over UPRR built?

It was built in 1968, making it 57 years old in 2025.

What condition is Or 224 (hwy 171) 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 August 2023.

How much traffic does Or 224 (hwy 171) over UPRR carry?

About 29,691 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Or 224 (hwy 171) over UPRR?

The structure is 245 ft (74.7 m) long with a longest span of 63 ft (19.2 m) and a deck 81 ft wide.

Who owns Or 224 (hwy 171) over UPRR?

It is owned by the State Highway Agency.