US Bridges

Elliott Prairie RD over Butte Creek

Fair

Clackamas County, Oregon · Marion County Line · Structure no. 06122 000

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
360
2020 count
Owner
County
County Highway Agency

About this bridge

Elliott Prairie RD over Butte Creek is a concrete continuous slab carrying Elliott Prairie RD over Butte Creek in Clackamas County, Oregon. It was built in 1962, so it is 63 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 360 vehicles a day, roughly 11% of them trucks, projected to reach 365 by 2025. The structure is 113 ft (34.4 m) long and 29 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesElliott Prairie RD
CrossesButte Creek
LocationMarion County Line
RouteCounty Highway C0019
StateOregon
Coordinates45.13249, -122.78543
Functional classRural Minor 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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2020)
Projected traffic365 by 2025
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Elliott Prairie RD over Butte Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Elliott Prairie RD over Butte 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 2024.

How much traffic does Elliott Prairie RD over Butte Creek carry?

About 360 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Elliott Prairie RD over Butte Creek?

The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns Elliott Prairie RD over Butte Creek?

It is owned by the County Highway Agency.