US Bridges

Kukkula Road over Beaver Creek

Good

Columbia County, Oregon · 020 M E City of Clatskani · Structure no. 18044 408700001

Built
1998
27 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
117 ft
2 main spans
Daily traffic
168
2020 count
Owner
County
County Highway Agency

About this bridge

Kukkula Road over Beaver Creek is a prestressed concrete slab carrying Kukkula Road over Beaver Creek in Columbia County, Oregon. It was built in 1998, so it is 27 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 168 vehicles a day, roughly 10% of them trucks, projected to reach 183 by 2025. The structure is 117 ft (35.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKukkula Road
CrossesBeaver Creek
Location020 M E City of Clatskani
RouteCounty Highway C4087
StateOregon
Coordinates46.11142, -123.16064
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length117 ft (35.8 m)
Longest span57 ft (17.4 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2020)
Projected traffic183 by 2025
Trucks10%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$602,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kukkula Road over Beaver Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Kukkula Road over Beaver 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 Kukkula Road over Beaver Creek carry?

About 168 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Kukkula Road over Beaver Creek?

The structure is 117 ft (35.8 m) long with a longest span of 57 ft (17.4 m) and a deck 20 ft wide.

Who owns Kukkula Road over Beaver Creek?

It is owned by the County Highway Agency.