US Bridges

Kennel Road over Tributary of Cox Creek

Fair

Linn County, Oregon · 013 MI South HWY 20 · Structure no. 12417 033000135

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
515
2021 count
Owner
County
County Highway Agency

About this bridge

Kennel Road over Tributary of Cox Creek is a prestressed concrete slab carrying Kennel Road over Tributary of Cox Creek in Linn County, Oregon. It was built in 1968, so it is 57 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 515 vehicles a day, roughly 10% of them trucks, projected to reach 721 by 2041. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKennel Road
CrossesTributary of Cox Creek
Location013 MI South HWY 20
RouteCounty Highway C0330
StateOregon
Coordinates44.61216, -123.03576
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic515 (2021)
Projected traffic721 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Kennel Road over Tributary of Cox Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Kennel Road over Tributary of Cox 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 July 2023.

How much traffic does Kennel Road over Tributary of Cox Creek carry?

About 515 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Kennel Road over Tributary of Cox Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns Kennel Road over Tributary of Cox Creek?

It is owned by the County Highway Agency.