US Bridges

Or 58 (hwy 018) over Willamette R Relief Opng

Fair

Lane County, Oregon · 02.7 MI E HWY 1 JCT · Structure no. 20395 018 00271

Built
2008
17 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
12,291
2022 count
Owner
State
State Highway Agency

About this bridge

Or 58 (hwy 018) over Willamette R Relief Opng is a prestressed concrete slab carrying Or 58 (hwy 018) over Willamette R Relief Opng in Lane County, Oregon. It was built in 2008, so it is 17 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 12,291 vehicles a day, roughly 12% of them trucks, projected to reach 16,700 by 2042. The structure is 82 ft (24.9 m) long and 64 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOr 58 (hwy 018)
CrossesWillamette R Relief Opng
Location02.7 MI E HWY 1 JCT
RouteState Highway 58
StateOregon
Coordinates43.97892, -122.96217
Functional classRural Principal Arterial - Other

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating96.8 US tons
Inventory rating74.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (24.9 m)
Longest span82 ft (24.9 m)
Deck width64 ft (19.5 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,291 (2022)
Projected traffic16,700 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.8 mi (11 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 58 (hwy 018) over Willamette R Relief Opng built?

It was built in 2008, making it 17 years old in 2025.

What condition is Or 58 (hwy 018) over Willamette R Relief Opng 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 July 2023.

How much traffic does Or 58 (hwy 018) over Willamette R Relief Opng carry?

About 12,291 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Or 58 (hwy 018) over Willamette R Relief Opng?

The structure is 82 ft (24.9 m) long with a longest span of 82 ft (24.9 m) and a deck 64 ft wide.

Who owns Or 58 (hwy 018) over Willamette R Relief Opng?

It is owned by the State Highway Agency.