US Bridges

Fairview RD over Swale

Fair

Linn County, Oregon · 035 MI E HWY 20 Inter · Structure no. 11919 073000347

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
464
2021 count
Owner
County
County Highway Agency

About this bridge

Fairview RD over Swale is a prestressed concrete slab carrying Fairview RD over Swale in Linn 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.

It carries about 464 vehicles a day, roughly 10% of them trucks, projected to reach 649 by 2041. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesFairview RD
CrossesSwale
Location035 MI E HWY 20 Inter
RouteCounty Highway C0730
StateOregon
Coordinates44.46524, -122.80222
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic464 (2021)
Projected traffic649 by 2041
Trucks10%
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 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 Fairview RD over Swale built?

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

What condition is Fairview RD over Swale 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 June 2023.

How much traffic does Fairview RD over Swale carry?

About 464 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Fairview RD over Swale?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Fairview RD over Swale?

It is owned by the County Highway Agency.