US Bridges

Or 58 (hwy 018) over Coast Fk Willamette R

Fair

Lane County, Oregon · 02.5 MI E HWY 001 JCT · Structure no. 05286 018 00246

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel
Length
438 ft
1 main span
Daily traffic
12,291
2022 count
Owner
State
State Highway Agency

About this bridge

Or 58 (hwy 018) over Coast Fk Willamette R is a steel truss - thru carrying Or 58 (hwy 018) over Coast Fk Willamette R in Lane County, Oregon. It was built in 1950, so it is 75 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 12,291 vehicles a day, roughly 12% of them trucks, projected to reach 16,700 by 2042. The structure is 438 ft (133.5 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOr 58 (hwy 018)
CrossesCoast Fk Willamette R
Location02.5 MI E HWY 001 JCT
RouteState Highway 58
StateOregon
Coordinates43.98072, -122.96649
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length438 ft (133.5 m)
Longest span180 ft (54.9 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic12,291 (2022)
Projected traffic16,700 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 58 (hwy 018) over Coast Fk Willamette R built?

It was built in 1950, making it 75 years old in 2025.

What condition is Or 58 (hwy 018) over Coast Fk Willamette R 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 Or 58 (hwy 018) over Coast Fk Willamette R carry?

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

How long is Or 58 (hwy 018) over Coast Fk Willamette R?

The structure is 438 ft (133.5 m) long with a longest span of 180 ft (54.9 m) and a deck 34 ft wide.

Who owns Or 58 (hwy 018) over Coast Fk Willamette R?

It is owned by the State Highway Agency.