US Bridges

Polk ST over Amazon Creek

Fair

Lane County, Oregon · Eugene Polk Street · Structure no. 40003 000 00096

Built
1951
74 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
9,751
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Polk ST over Amazon Creek is a concrete continuous culvert carrying Polk ST over Amazon Creek in Lane County, Oregon. It was built in 1951, so it is 74 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 9,751 vehicles a day, roughly 5% of them trucks, projected to reach 14,697 by 2025. The structure is 22 ft (6.7 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPolk ST
CrossesAmazon Creek
LocationEugene Polk Street
RouteCity Street U1097
CountyLane County
StateOregon
Coordinates44.04211, -123.11252
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width55 ft (16.7 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,751 (2020)
Projected traffic14,697 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Polk ST over Amazon Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Polk ST 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 Polk ST over Amazon Creek carry?

About 9,751 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Polk ST over Amazon Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 55 ft wide.

Who owns Polk ST over Amazon Creek?

It is owned by the City or Municipal Highway Agency.