US Bridges

Or 58 (hwy 018) over Coast Fk Willamette Oflo

FairPosted for load

Lane County, Oregon · 009 MI E HWY 1 JCT · Structure no. 09653 018 00089

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
12,118
2022 count
Owner
State
State Highway Agency

About this bridge

Or 58 (hwy 018) over Coast Fk Willamette Oflo is a prestressed concrete slab carrying Or 58 (hwy 018) over Coast Fk Willamette Oflo in Lane County, Oregon. It was built in 1967, so it is 58 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. Its operating status is: posted for other load-capacity restriction.

It carries about 12,118 vehicles a day, roughly 12% of them trucks, projected to reach 15,200 by 2042. The structure is 50 ft (15.2 m) long and 48 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOr 58 (hwy 018)
CrossesCoast Fk Willamette Oflo
Location009 MI E HWY 1 JCT
RouteState Highway 58
StateOregon
Coordinates43.99209, -122.9938
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width48 ft (14.6 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,118 (2022)
Projected traffic15,200 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—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1967, making it 58 years old in 2025.

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

About 12,118 vehicles per day (2022 count), of which roughly 12% are trucks.

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

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 48 ft wide.

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

It is owned by the State Highway Agency.