US Bridges

N Danebo Ave over A3 Channel

Fair

Lane County, Oregon · Eugene: N Danebo Ave · Structure no. 19057 000 00000

Built
1969
56 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
5,990
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Danebo Ave over A3 Channel is a concrete continuous culvert carrying N Danebo Ave over A3 Channel in Lane County, Oregon. It was built in 1969, so it is 56 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 5,990 vehicles a day, roughly 7% of them trucks, projected to reach 6,842 by 2025. The structure is 21 ft (6.4 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesN Danebo Ave
CrossesA3 Channel
LocationEugene: N Danebo Ave
RouteCity Street 0
CountyLane County
StateOregon
Coordinates44.06447, -123.17819
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating20.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width35 ft (10.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,990 (2020)
Projected traffic6,842 by 2025
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$108,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Danebo Ave over A3 Channel built?

It was built in 1969, making it 56 years old in 2025.

What condition is N Danebo Ave over A3 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 N Danebo Ave over A3 Channel carry?

About 5,990 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is N Danebo Ave over A3 Channel?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.

Who owns N Danebo Ave over A3 Channel?

It is owned by the City or Municipal Highway Agency.