US Bridges

Or 58 (hwy 018) over Oflow Br

Good

Lane County, Oregon · 023 MI E HWY 1 JCT · Structure no. 18386 018 00229

Built
2000
25 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
27 ft
4 main spans
Daily traffic
12,291
2022 count
Owner
State
State Highway Agency

About this bridge

Or 58 (hwy 018) over Oflow Br is a concrete continuous culvert carrying Or 58 (hwy 018) over Oflow Br in Lane County, Oregon. It was built in 2000, so it is 25 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,291 vehicles a day, roughly 12% of them trucks, projected to reach 16,700 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOr 58 (hwy 018)
CrossesOflow Br
Location023 MI E HWY 1 JCT
RouteState Highway 58
StateOregon
Coordinates43.98192, -122.96942
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,291 (2022)
Projected traffic16,700 by 2042
Trucks12%
Lanes on structure3
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 Oflow Br built?

It was built in 2000, making it 25 years old in 2025.

What condition is Or 58 (hwy 018) over Oflow Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Or 58 (hwy 018) over Oflow Br carry?

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

How long is Or 58 (hwy 018) over Oflow Br?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Or 58 (hwy 018) over Oflow Br?

It is owned by the State Highway Agency.