US Bridges

Mcvey Ave over Oswego Lake Outlet

Fair

Clackamas County, Oregon · 600 Ft West of HWY 43 · Structure no. 06070A000 00140

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
134 ft
1 main span
Daily traffic
24,042
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcvey Ave over Oswego Lake Outlet is a prestressed concrete stringer/multi-beam or girder carrying Mcvey Ave over Oswego Lake Outlet in Clackamas County, Oregon. It was built in 1976, so it is 49 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 24,042 vehicles a day, roughly 10% of them trucks, projected to reach 34,698 by 2025. The structure is 134 ft (40.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMcvey Ave
CrossesOswego Lake Outlet
Location600 Ft West of HWY 43
RouteCity Street 9559
StateOregon
Coordinates45.41029, -122.66745
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating61.1 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span129 ft (39.3 m)
Deck width58 ft (17.7 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,042 (2020)
Projected traffic34,698 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcvey Ave over Oswego Lake Outlet built?

It was built in 1976, making it 49 years old in 2025.

What condition is Mcvey Ave over Oswego Lake Outlet 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 Mcvey Ave over Oswego Lake Outlet carry?

About 24,042 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Mcvey Ave over Oswego Lake Outlet?

The structure is 134 ft (40.8 m) long with a longest span of 129 ft (39.3 m) and a deck 58 ft wide.

Who owns Mcvey Ave over Oswego Lake Outlet?

It is owned by the City or Municipal Highway Agency.