US Bridges

Kuehn Road over Kellogg Creek

FairPosted for load

Clackamas County, Oregon · 00.1 MI N of Aldercrst RD · Structure no. 06262 000 00006

Built
1958
67 years old, rebuilt 2009
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
186
2020 count
Owner
County
County Highway Agency

About this bridge

Kuehn Road over Kellogg Creek is a prestressed concrete slab carrying Kuehn Road over Kellogg Creek in Clackamas County, Oregon. It was built in 1958 and reconstructed in 2009, so it is 67 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. Its operating status is: posted for other load-capacity restriction.

It carries about 186 vehicles a day, roughly 1% of them trucks, projected to reach 211 by 2025. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKuehn Road
CrossesKellogg Creek
Location00.1 MI N of Aldercrst RD
RouteCounty Highway C1249
StateOregon
Coordinates45.42394, -122.61397
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2020)
Projected traffic211 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuehn Road over Kellogg Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2009.

What condition is Kuehn Road over Kellogg 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 May 2023.

How much traffic does Kuehn Road over Kellogg Creek carry?

About 186 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Kuehn Road over Kellogg Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns Kuehn Road over Kellogg Creek?

It is owned by the County Highway Agency.