US Bridges

Ringo Road over Milk Creek

Fair

Clackamas County, Oregon · 00.0 MI N of Union Mills · Structure no. 06548 000 00002

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
2 main spans
Daily traffic
463
2020 count
Owner
County
County Highway Agency

About this bridge

Ringo Road over Milk Creek is a steel stringer/multi-beam or girder carrying Ringo Road over Milk Creek in Clackamas County, Oregon. It was built in 1961, so it is 64 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 463 vehicles a day, roughly 19% of them trucks, projected to reach 468 by 2025. The structure is 80 ft (24.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRingo Road
CrossesMilk Creek
Location00.0 MI N of Union Mills
RouteCounty Highway C0613
StateOregon
Coordinates45.20011, -122.55822
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic463 (2020)
Projected traffic468 by 2025
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ringo Road over Milk Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Ringo Road over Milk Creek 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 April 2023.

How much traffic does Ringo Road over Milk Creek carry?

About 463 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is Ringo Road over Milk Creek?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Ringo Road over Milk Creek?

It is owned by the County Highway Agency.