US Bridges

Stubbs Rd. over Courtney Creek

Good

Linn County, Oregon · 0010 MI S CR 508 · Structure no. 12524A050900008

Built
1978
47 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
67
2021 count
Owner
County
County Highway Agency

About this bridge

Stubbs Rd. over Courtney Creek is a prestressed concrete slab carrying Stubbs Rd. over Courtney Creek in Linn County, Oregon. It was built in 1978, so it is 47 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 67 vehicles a day, projected to reach 124 by 2041. The structure is 70 ft (21.3 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesStubbs Rd.
CrossesCourtney Creek
Location0010 MI S CR 508
RouteCounty Highway C0509
StateOregon
Coordinates44.37109, -123.00566
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating56.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2021)
Projected traffic124 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Stubbs Rd. over Courtney Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Stubbs Rd. over Courtney Creek 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 May 2023.

How much traffic does Stubbs Rd. over Courtney Creek carry?

About 67 vehicles per day (2021 count).

How long is Stubbs Rd. over Courtney Creek?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns Stubbs Rd. over Courtney Creek?

It is owned by the County Highway Agency.