US Bridges

I-5 (hwy 1) over Turner Rd.

Fair

Marion County, Oregon · 032 MI N of JCT HWY 1E · Structure no. 20032 001 25222

Built
2007
18 years old
Condition
Fair
inspected December 2023
Type
Slab
Prestressed Concrete Continuous
Length
187 ft
3 main spans
Daily traffic
84,575
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 1) over Turner Rd. is a prestressed concrete continuous slab carrying I-5 (hwy 1) over Turner Rd. in Marion County, Oregon. It was built in 2007, so it is 18 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 84,575 vehicles a day, roughly 13% of them trucks, projected to reach 92,900 by 2042. The structure is 187 ft (57 m) long and 146 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-5 (hwy 1)
CrossesTurner Rd.
Location032 MI N of JCT HWY 1E
RouteInterstate 5
StateOregon
Coordinates44.89316, -122.9904
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length187 ft (57 m)
Longest span84 ft (25.5 m)
Deck width146 ft (44.6 m)
Roadway width142 ft (43.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,575 (2022)
Projected traffic92,900 by 2042
Trucks13%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 1) over Turner Rd. built?

It was built in 2007, making it 18 years old in 2025.

What condition is I-5 (hwy 1) over Turner Rd. 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 December 2023.

How much traffic does I-5 (hwy 1) over Turner Rd. carry?

About 84,575 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is I-5 (hwy 1) over Turner Rd.?

The structure is 187 ft (57 m) long with a longest span of 84 ft (25.5 m) and a deck 146 ft wide.

Who owns I-5 (hwy 1) over Turner Rd.?

It is owned by the State Highway Agency.