US Bridges

Dickey Prairie RD over Trout Creek

FairPosted for load

Clackamas County, Oregon · 04.3 MI S of Dickey Pr · Structure no. 05314 000 00436

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
28 ft
1 main span
Daily traffic
51
2020 count
Owner
County
County Highway Agency

About this bridge

Dickey Prairie RD over Trout Creek is a concrete channel beam carrying Dickey Prairie RD over Trout Creek in Clackamas County, Oregon. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 51 vehicles a day, roughly 26% of them trucks, projected to reach 51 by 2025. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesDickey Prairie RD
CrossesTrout Creek
Location04.3 MI S of Dickey Pr
RouteCounty Highway C0825
CountyClackamas County
StateOregon
Coordinates45.07391, -122.48446
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2020)
Projected traffic51 by 2025
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dickey Prairie RD over Trout Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Dickey Prairie RD over Trout 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 April 2023.

How much traffic does Dickey Prairie RD over Trout Creek carry?

About 51 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is Dickey Prairie RD over Trout Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Dickey Prairie RD over Trout Creek?

It is owned by the County Highway Agency.