US Bridges

Or 224 (hwy 171) over Deep Creek

FairPosted for load

Clackamas County, Oregon · 4.0 MI NW Eagle Creek · Structure no. 02082A171 01390

Built
1948
77 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
166 ft
4 main spans
Daily traffic
13,468
2022 count
Owner
State
State Highway Agency

About this bridge

Or 224 (hwy 171) over Deep Creek is a concrete continuous tee beam carrying Or 224 (hwy 171) over Deep Creek in Clackamas County, Oregon. It was built in 1948, so it is 77 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 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 13,468 vehicles a day, roughly 4% of them trucks, projected to reach 15,900 by 2042. The structure is 166 ft (50.6 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOr 224 (hwy 171)
CrossesDeep Creek
Location4.0 MI NW Eagle Creek
RouteState Highway 224
StateOregon
Coordinates45.39397, -122.42074
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.6 US tons
Inventory rating18.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length166 ft (50.6 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,468 (2022)
Projected traffic15,900 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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$850,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 224 (hwy 171) over Deep Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Or 224 (hwy 171) over Deep Creek 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 Deep Creek carry?

About 13,468 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Or 224 (hwy 171) over Deep Creek?

The structure is 166 ft (50.6 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns Or 224 (hwy 171) over Deep Creek?

It is owned by the State Highway Agency.