US Bridges

Bishop-Scott Road over Small Stream

Good

Yamhill County, Oregon · 1 MI NW of Yamhill · Structure no. 11512 000

Built
1973
52 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
415
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 1973, so it is 52 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 415 vehicles a day, roughly 5% of them trucks, projected to reach 465 by 2025. The structure is 32 ft (9.8 m) long and 30 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
Coordinates45.35571, -123.19939
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic415 (2020)
Projected traffic465 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 1973, making it 52 years old in 2025.

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Bishop-Scott Road over Small Stream carry?

About 415 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Bishop-Scott Road over Small Stream?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns Bishop-Scott Road over Small Stream?

It is owned by the County Highway Agency.