US Bridges

Johnson RD over Drury Creek

Fair

Lane County, Oregon · 052 MI North of Marcola · Structure no. 39C179198400063

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
225
2020 count
Owner
County
County Highway Agency

About this bridge

Johnson RD over Drury Creek is a prestressed concrete slab carrying Johnson RD over Drury Creek in Lane County, Oregon. It was built in 1985, so it is 40 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 225 vehicles a day, roughly 10% of them trucks, projected to reach 260 by 2025. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesJohnson RD
CrossesDrury Creek
Location052 MI North of Marcola
RouteCounty Highway C1984
StateOregon
Coordinates44.23917, -122.81387
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2020)
Projected traffic260 by 2025
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Johnson RD over Drury Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Johnson RD over Drury 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 Johnson RD over Drury Creek carry?

About 225 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Johnson RD over Drury Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Johnson RD over Drury Creek?

It is owned by the County Highway Agency.