US Bridges

HWY 69 WB Conn over Debrick Slough

Fair

Lane County, Oregon · 005 MI E Willamette R Xng · Structure no. 39C149173000001

Built
1979
46 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
167 ft
2 main spans
Daily traffic
29,662
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 69 WB Conn over Debrick Slough is a prestressed concrete continuous stringer/multi-beam or girder carrying HWY 69 WB Conn over Debrick Slough in Lane County, Oregon. It was built in 1979, so it is 46 years old, younger 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 29,662 vehicles a day, roughly 6% of them trucks, projected to reach 35,300 by 2042. The structure is 167 ft (51 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY 69 WB Conn
CrossesDebrick Slough
Location005 MI E Willamette R Xng
RouteState Highway 569
StateOregon
Coordinates44.0933, -123.10186
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length167 ft (51 m)
Longest span83 ft (25.3 m)
Deck width52 ft (16 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,662 (2022)
Projected traffic35,300 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway 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 HWY 69 WB Conn over Debrick Slough built?

It was built in 1979, making it 46 years old in 2025.

What condition is HWY 69 WB Conn over Debrick Slough 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 March 2023.

How much traffic does HWY 69 WB Conn over Debrick Slough carry?

About 29,662 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is HWY 69 WB Conn over Debrick Slough?

The structure is 167 ft (51 m) long with a longest span of 83 ft (25.3 m) and a deck 52 ft wide.

Who owns HWY 69 WB Conn over Debrick Slough?

It is owned by the State Highway Agency.