US Bridges

Bishop-Scott Road over Small Stream

Fair

Yamhill County, Oregon · 1 MI NW of Yamhill · Structure no. 11511 000

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
419
2020 count
Owner
County
County Highway Agency

About this bridge

Bishop-Scott Road over Small Stream is a prestressed concrete slab carrying Bishop-Scott Road over Small Stream in Yamhill County, Oregon. It was built in 1971, so it is 54 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 419 vehicles a day, roughly 5% of them trucks, projected to reach 469 by 2025. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesBishop-Scott Road
CrossesSmall Stream
Location1 MI NW of Yamhill
RouteCounty Highway C0254
StateOregon
Coordinates45.3635, -123.20006
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
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic419 (2020)
Projected traffic469 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bishop-Scott Road over Small Stream built?

It was built in 1971, making it 54 years old in 2025.

What condition is Bishop-Scott Road over Small Stream 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 Bishop-Scott Road over Small Stream carry?

About 419 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Bishop-Scott Road over Small Stream?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns Bishop-Scott Road over Small Stream?

It is owned by the County Highway Agency.