US Bridges

Or 224 (hwy 171) over UPRR

FairPosted for load

Clackamas County, Oregon · 0.3 MI East of I-205 · Structure no. 07867A171 00520

Built
1984
41 years old, rebuilt 2005
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
236 ft
5 main spans
Daily traffic
24,506
2022 count
Owner
State
State Highway Agency

About this bridge

Or 224 (hwy 171) over UPRR is a prestressed concrete slab carrying Or 224 (hwy 171) over UPRR in Clackamas County, Oregon. It was built in 1984 and reconstructed in 2005, so it is 41 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 24,506 vehicles a day, roughly 6% of them trucks, projected to reach 37,700 by 2042. The structure is 236 ft (71.9 m) long and 104 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesOr 224 (hwy 171)
CrossesUPRR
Location0.3 MI East of I-205
RouteState Highway 224
StateOregon
Coordinates45.4074, -122.56584
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length236 ft (71.9 m)
Longest span69 ft (21 m)
Deck width104 ft (31.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,506 (2022)
Projected traffic37,700 by 2042
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed28 mi (45 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2005.

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 24,506 vehicles per day (2022 count), of which roughly 6% are trucks.

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

The structure is 236 ft (71.9 m) long with a longest span of 69 ft (21 m) and a deck 104 ft wide.

Who owns Or 224 (hwy 171) over UPRR?

It is owned by the State Highway Agency.