US Bridges

Jefferson ST over Amazon Channel

FairPosted for load

Lane County, Oregon · Eugene @ S Jefferson ST · Structure no. 40004 000 00000

Built
1953
72 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
11,143
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jefferson ST over Amazon Channel is a concrete continuous culvert carrying Jefferson ST over Amazon Channel in Lane County, Oregon. It was built in 1953, so it is 72 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. Its operating status is: posted for load restriction.

It carries about 11,143 vehicles a day, roughly 10% of them trucks, projected to reach 17,177 by 2025. The structure is 22 ft (6.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesJefferson ST
CrossesAmazon Channel
LocationEugene @ S Jefferson ST
RouteCity Street U1105
CountyLane County
StateOregon
Coordinates44.04419, -123.10127
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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating25.9 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width46 ft (13.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,143 (2020)
Projected traffic17,177 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$113,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jefferson ST over Amazon Channel built?

It was built in 1953, making it 72 years old in 2025.

What condition is Jefferson ST over Amazon Channel 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 Jefferson ST over Amazon Channel carry?

About 11,143 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Jefferson ST over Amazon Channel?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 46 ft wide.

Who owns Jefferson ST over Amazon Channel?

It is owned by the City or Municipal Highway Agency.