US Bridges

Fairgrounds Road over Amazon Creek

Fair

Lane County, Oregon · In Lane Cnty Fairgrounds · Structure no. 18754 00000 001

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
59
2020 count
Owner
Local
Other Local Agency

About this bridge

Fairgrounds Road over Amazon Creek is a prestressed concrete slab carrying Fairgrounds Road over Amazon Creek in Lane County, Oregon. It was built in 1970, so it is 55 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 59 vehicles a day, roughly 1% of them trucks, projected to reach 68 by 2025. The structure is 61 ft (18.6 m) long and 20 ft wide.

Location

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CarriesFairgrounds Road
CrossesAmazon Creek
LocationIn Lane Cnty Fairgrounds
CountyLane County
StateOregon
Coordinates44.04352, -123.10322
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic59 (2020)
Projected traffic68 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Fairgrounds Road over Amazon Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Fairgrounds Road over Amazon 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 May 2023.

How much traffic does Fairgrounds Road over Amazon Creek carry?

About 59 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Fairgrounds Road over Amazon Creek?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 20 ft wide.

Who owns Fairgrounds Road over Amazon Creek?

It is owned by the Other Local Agency.