US Bridges

HWY 69 WB Conn over Slough (wb Off Ramp)

Fair

Lane County, Oregon · 02.6 W JCT HWY 001 · Structure no. 08705B069C01015

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
60 ft
3 main spans
Daily traffic
8,733
2020 count
Owner
State
State Highway Agency

About this bridge

HWY 69 WB Conn over Slough (wb Off Ramp) is a prestressed concrete slab carrying HWY 69 WB Conn over Slough (wb Off Ramp) in Lane County, Oregon. It was built in 1964, so it is 61 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 8,733 vehicles a day, roughly 10% of them trucks, projected to reach 9,500 by 2030. The structure is 60 ft (18.3 m) long and 26 ft wide.

CarriesHWY 69 WB Conn
CrossesSlough (wb Off Ramp)
Location02.6 W JCT HWY 001
RouteState Highway 69
StateOregon
Coordinates44.09154, -123.09719
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,733 (2020)
Projected traffic9,500 by 2030
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Slough (wb Off Ramp) built?

It was built in 1964, making it 61 years old in 2025.

What condition is HWY 69 WB Conn over Slough (wb Off Ramp) 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 Slough (wb Off Ramp) carry?

About 8,733 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is HWY 69 WB Conn over Slough (wb Off Ramp)?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns HWY 69 WB Conn over Slough (wb Off Ramp)?

It is owned by the State Highway Agency.