US Bridges

Or 46 (hwy 038) over Grayback Creek

Fair

Josephine County, Oregon · 11.75 MI E of Cave Junct · Structure no. 03820A038 01175

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
62
2022 count
Owner
State
State Highway Agency

About this bridge

Or 46 (hwy 038) over Grayback Creek is a prestressed concrete slab carrying Or 46 (hwy 038) over Grayback Creek in Josephine County, Oregon. It was built in 1966, so it is 59 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 62 vehicles a day, roughly 8% of them trucks, projected to reach 80 by 2042. The structure is 40 ft (12.2 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOr 46 (hwy 038)
CrossesGrayback Creek
Location11.75 MI E of Cave Junct
RouteState Highway 46
StateOregon
Coordinates42.13997, -123.45703
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic80 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 46 (hwy 038) over Grayback Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Or 46 (hwy 038) over Grayback Creek 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 August 2024.

How much traffic does Or 46 (hwy 038) over Grayback Creek carry?

About 62 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Or 46 (hwy 038) over Grayback Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns Or 46 (hwy 038) over Grayback Creek?

It is owned by the State Highway Agency.