US Bridges

Marion Road over Marion Creek

FairPosted for load

Marion County, Oregon · 00.1 North of Marion · Structure no. 47C02 003 00000

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
46 ft
3 main spans
Daily traffic
1,609
2020 count
Owner
County
County Highway Agency

About this bridge

Marion Road over Marion Creek is a wood or timber slab carrying Marion Road over Marion Creek in Marion County, Oregon. It was built in 1967, so it is 58 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 1,609 vehicles a day, roughly 4% of them trucks, projected to reach 1,809 by 2025. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesMarion Road
CrossesMarion Creek
Location00.1 North of Marion
RouteCounty Highway A0568
CountyMarion County
StateOregon
Coordinates44.75115, -122.94047
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,609 (2020)
Projected traffic1,809 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$236,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Marion Road over Marion Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Marion Road over Marion 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 Marion Road over Marion Creek carry?

About 1,609 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Marion Road over Marion Creek?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Marion Road over Marion Creek?

It is owned by the County Highway Agency.