US Bridges

Kowitz RD over Beaver Creek

Fair

Linn County, Oregon · 004 MI N CR 20L · Structure no. 12868A067100039

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
695
2021 count
Owner
County
County Highway Agency

About this bridge

Kowitz RD over Beaver Creek is a prestressed concrete slab carrying Kowitz RD over Beaver Creek in Linn County, Oregon. It was built in 1983, so it is 42 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 695 vehicles a day, roughly 10% of them trucks, projected to reach 978 by 2041. The structure is 46 ft (14 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesKowitz RD
CrossesBeaver Creek
Location004 MI N CR 20L
RouteCounty Highway C0671
StateOregon
Coordinates44.58283, -122.79794
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic695 (2021)
Projected traffic978 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Kowitz RD over Beaver Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Kowitz RD over Beaver 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 June 2023.

How much traffic does Kowitz RD over Beaver Creek carry?

About 695 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Kowitz RD over Beaver Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns Kowitz RD over Beaver Creek?

It is owned by the County Highway Agency.