US Bridges

Turner RD over Mill Creek

Fair

Marion County, Oregon · 00.5 South of Delany · Structure no. 05533A027 00000

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
150 ft
5 main spans
Daily traffic
6,600
2018 count
Owner
County
County Highway Agency

About this bridge

Turner RD over Mill Creek is a prestressed concrete slab carrying Turner RD over Mill Creek in Marion County, Oregon. It was built in 1965, so it is 60 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 6,600 vehicles a day, roughly 23% of them trucks, projected to reach 7,200 by 2038. The structure is 150 ft (45.7 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTurner RD
CrossesMill Creek
Location00.5 South of Delany
RouteCounty Highway C0027
StateOregon
Coordinates44.84441, -122.95297
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2018)
Projected traffic7,200 by 2038
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$769,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Turner RD over Mill Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Turner RD over Mill 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 August 2024.

How much traffic does Turner RD over Mill Creek carry?

About 6,600 vehicles per day (2018 count), of which roughly 23% are trucks.

How long is Turner RD over Mill Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns Turner RD over Mill Creek?

It is owned by the County Highway Agency.