US Bridges

Stone Road over Bryan Creek

Fair

Yamhill County, Oregon · 3 MI Wnw of Newberg · Structure no. 11650 000

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
635
2020 count
Owner
County
County Highway Agency

About this bridge

Stone Road over Bryan Creek is a prestressed concrete slab carrying Stone Road over Bryan Creek in Yamhill County, Oregon. It was built in 1970, so it is 55 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 635 vehicles a day, roughly 5% of them trucks, projected to reach 715 by 2025. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesStone Road
CrossesBryan Creek
Location3 MI Wnw of Newberg
RouteCounty Highway C0098
CountyYamhill County
StateOregon
Coordinates45.31918, -123.02543
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating61.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic635 (2020)
Projected traffic715 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$247,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stone Road over Bryan Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Stone Road over Bryan 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 Stone Road over Bryan Creek carry?

About 635 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Stone Road over Bryan Creek?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns Stone Road over Bryan Creek?

It is owned by the County Highway Agency.