US Bridges

Kuehne Road over Millican Creek

Fair

Yamhill County, Oregon · 0300 MI N Lafayette · Structure no. 11655 011 01632

Built
1956
69 years old, rebuilt 1974
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
3,336
2020 count
Owner
County
County Highway Agency

About this bridge

Kuehne Road over Millican Creek is a prestressed concrete slab carrying Kuehne Road over Millican Creek in Yamhill County, Oregon. It was built in 1956 and reconstructed in 1974, so it is 69 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 5 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 3,336 vehicles a day, roughly 10% of them trucks, projected to reach 3,751 by 2025. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesKuehne Road
CrossesMillican Creek
Location0300 MI N Lafayette
RouteCounty Highway A0707
StateOregon
Coordinates45.31738, -123.09069
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,336 (2020)
Projected traffic3,751 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuehne Road over Millican Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1974.

What condition is Kuehne Road over Millican 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 October 2024.

How much traffic does Kuehne Road over Millican Creek carry?

About 3,336 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Kuehne Road over Millican Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Kuehne Road over Millican Creek?

It is owned by the County Highway Agency.