US Bridges

Or 99W (hwy 91) over Cozine Creek

Fair

Yamhill County, Oregon · 005 MI S HWY 39 JCT · Structure no. 05023A01W 03818

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
23,824
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99W (hwy 91) over Cozine Creek is a concrete continuous culvert carrying Or 99W (hwy 91) over Cozine Creek in Yamhill County, Oregon. It was built in 1957, so it is 68 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 23,824 vehicles a day, roughly 16% of them trucks, projected to reach 29,400 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesOr 99W (hwy 91)
CrossesCozine Creek
Location005 MI S HWY 39 JCT
RouteState Highway 99
CountyYamhill County
StateOregon
Coordinates45.20372, -123.19992
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,824 (2022)
Projected traffic29,400 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$102,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99W (hwy 91) over Cozine Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Or 99W (hwy 91) 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 April 2023.

How much traffic does Or 99W (hwy 91) over Cozine Creek carry?

About 23,824 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Or 99W (hwy 91) over Cozine Creek?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).

Who owns Or 99W (hwy 91) over Cozine Creek?

It is owned by the State Highway Agency.