US Bridges

Salt Creek Road over Salt Creek

Fair

Yamhill County, Oregon · 350 MI SW Amity · Structure no. 11630 000

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
81
2020 count
Owner
County
County Highway Agency

About this bridge

Salt Creek Road over Salt Creek is a prestressed concrete slab carrying Salt Creek Road over Salt Creek in Yamhill County, Oregon. It was built in 1976, so it is 49 years old, younger 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 5 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 81 vehicles a day, roughly 10% of them trucks, projected to reach 91 by 2025. The structure is 64 ft (19.5 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSalt Creek Road
CrossesSalt Creek
Location350 MI SW Amity
RouteCounty Highway C0442
StateOregon
Coordinates45.08395, -123.24921
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span63 ft (19.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2020)
Projected traffic91 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Salt Creek Road over Salt Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Salt Creek Road over Salt 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 September 2024.

How much traffic does Salt Creek Road over Salt Creek carry?

About 81 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Salt Creek Road over Salt Creek?

The structure is 64 ft (19.5 m) long with a longest span of 63 ft (19.2 m) and a deck 32 ft wide.

Who owns Salt Creek Road over Salt Creek?

It is owned by the County Highway Agency.