US Bridges

Anderson RD over Beaver Creek

PoorPosted for load

Marion County, Oregon · 010 N JCT HWY 24 & CR864 · Structure no. 47C204086400141

Built
1955
70 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete Continuous
Length
24 ft
3 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Anderson RD over Beaver Creek is a concrete continuous culvert carrying Anderson RD over Beaver Creek in Marion County, Oregon. It was built in 1955, so it is 70 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 20% of them trucks, projected to reach 123 by 2025. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAnderson RD
CrossesBeaver Creek
Location010 N JCT HWY 24 & CR864
RouteCounty Highway C0864
StateOregon
Coordinates44.85012, -122.8107
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.6 US tons
Inventory rating16.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length24 ft (7.3 m)
Longest span8 ft (2.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic123 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Anderson RD over Beaver Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Anderson RD over Beaver Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Anderson RD over Beaver Creek carry?

About 110 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Anderson RD over Beaver Creek?

The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m) and a deck 26 ft wide.

Who owns Anderson RD over Beaver Creek?

It is owned by the County Highway Agency.