US Bridges

Abiqua RD over Abiqua Creek

Fair

Marion County, Oregon · 060 M SE HWY 213 JCT · Structure no. 05443A077900704

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
2 main spans
Daily traffic
1,280
2020 count
Owner
County
County Highway Agency

About this bridge

Abiqua RD over Abiqua Creek is a steel continuous stringer/multi-beam or girder carrying Abiqua RD over Abiqua Creek in Marion County, Oregon. It was built in 1987, so it is 38 years old, younger 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 1,280 vehicles a day, roughly 13% of them trucks, projected to reach 1,427 by 2025. The structure is 159 ft (48.5 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesAbiqua RD
CrossesAbiqua Creek
Location060 M SE HWY 213 JCT
RouteCounty Highway C0779
CountyMarion County
StateOregon
Coordinates44.96992, -122.64051
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOpen grating
Main spans2 (+1 approach)
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,280 (2020)
Projected traffic1,427 by 2025
Trucks13%
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 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 Abiqua RD over Abiqua Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Abiqua RD over Abiqua 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 Abiqua RD over Abiqua Creek carry?

About 1,280 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Abiqua RD over Abiqua Creek?

The structure is 159 ft (48.5 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Abiqua RD over Abiqua Creek?

It is owned by the County Highway Agency.