US Bridges

Boones Ferry RD over Senecal Creek

FairPosted for load

Marion County, Oregon · 015MI S-W Aurora · Structure no. 05133 010

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
72 ft
4 main spans
Daily traffic
5,223
2022 count
Owner
County
County Highway Agency

About this bridge

Boones Ferry RD over Senecal Creek is a wood or timber slab carrying Boones Ferry RD over Senecal Creek in Marion County, Oregon. It was built in 1966, so it is 59 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 5,223 vehicles a day, roughly 24% of them trucks, projected to reach 5,500 by 2042. The structure is 72 ft (21.9 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBoones Ferry RD
CrossesSenecal Creek
Location015MI S-W Aurora
RouteCounty Highway C0010
StateOregon
Coordinates45.22576, -122.78314
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 statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span18 ft (5.5 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,223 (2022)
Projected traffic5,500 by 2042
Trucks24%
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 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 Boones Ferry RD over Senecal Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Boones Ferry RD over Senecal 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 Boones Ferry RD over Senecal Creek carry?

About 5,223 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Boones Ferry RD over Senecal Creek?

The structure is 72 ft (21.9 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Boones Ferry RD over Senecal Creek?

It is owned by the County Highway Agency.