US Bridges

Meridian RD over Abiqua Creek

Fair

Marion County, Oregon · 02.0 NE of Silverton · Structure no. 02504A074 00000

Built
1954
71 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
2,635
2020 count
Owner
County
County Highway Agency

About this bridge

Meridian RD over Abiqua Creek is a concrete continuous tee beam carrying Meridian RD over Abiqua Creek in Marion County, Oregon. It was built in 1954, so it is 71 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 5 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 2,635 vehicles a day, roughly 12% of them trucks, projected to reach 2,960 by 2025. The structure is 112 ft (34.1 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesMeridian RD
CrossesAbiqua Creek
Location02.0 NE of Silverton
RouteCounty Highway A0593
CountyMarion County
StateOregon
Coordinates45.03475, -122.75847
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,635 (2020)
Projected traffic2,960 by 2025
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$632,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Meridian RD over Abiqua Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Meridian 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 Meridian RD over Abiqua Creek carry?

About 2,635 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Meridian RD over Abiqua Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 31 ft wide.

Who owns Meridian RD over Abiqua Creek?

It is owned by the County Highway Agency.