US Bridges

Greenhill Road over Amazon Creek

Fair

Lane County, Oregon · 2 MI W Beltline-Royal JCT · Structure no. 039C51427000185

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
97 ft
3 main spans
Daily traffic
7,238
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Greenhill Road over Amazon Creek is a prestressed concrete slab carrying Greenhill 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 7,238 vehicles a day, roughly 10% of them trucks, projected to reach 10,221 by 2025. The structure is 97 ft (29.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGreenhill Road
CrossesAmazon Creek
Location2 MI W Beltline-Royal JCT
RouteCounty Highway A0451
StateOregon
Coordinates44.07811, -123.20841
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,238 (2020)
Projected traffic10,221 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$497,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Greenhill Road over Amazon Creek built?

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

What condition is Greenhill 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 July 2024.

How much traffic does Greenhill Road over Amazon Creek carry?

About 7,238 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Greenhill Road over Amazon Creek?

The structure is 97 ft (29.6 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Greenhill Road over Amazon Creek?

It is owned by the City or Municipal Highway Agency.