US Bridges

Hill Road South over Cozine Creek

Fair

Yamhill County, Oregon · 100 M SW Mcminnville · Structure no. 11713F035 00264

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
1,684
2020 count
Owner
County
County Highway Agency

About this bridge

Hill Road South over Cozine Creek is a concrete channel beam carrying Hill Road South over Cozine Creek in Yamhill County, Oregon. It was built in 1963, so it is 62 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 1,684 vehicles a day, roughly 5% of them trucks, projected to reach 1,894 by 2025. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHill Road South
CrossesCozine Creek
Location100 M SW Mcminnville
RouteCounty Highway A0705
CountyYamhill County
StateOregon
Coordinates45.19061, -123.2308
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,684 (2020)
Projected traffic1,894 by 2025
Trucks5%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hill Road South over Cozine Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Hill Road South over Cozine 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 2023.

How much traffic does Hill Road South over Cozine Creek carry?

About 1,684 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Hill Road South over Cozine Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 23 ft wide.

Who owns Hill Road South over Cozine Creek?

It is owned by the County Highway Agency.