US Bridges

Vineyard DR over Salinas River

Fair

San Luis Obispo County, California · 0.3 MI E of U.S. 101 · Structure no. 49C0177

Built
1977
48 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
673 ft
5 main spans
Daily traffic
4,119
2021 count
Owner
County
County Highway Agency

About this bridge

Vineyard DR over Salinas River is a concrete continuous box beam or girders - multiple carrying Vineyard DR over Salinas River in San Luis Obispo County, California. It was built in 1977, so it is 48 years old, younger than the California average of 54.8 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 4,119 vehicles a day, roughly 3% of them trucks, projected to reach 4,211 by 2044. The structure is 673 ft (205.1 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesVineyard DR
CrossesSalinas River
Location0.3 MI E of U.S. 101
RouteCounty Highway 0
CountySan Luis Obispo County
StateCalifornia
Coordinates35.54314, -120.70635
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating72.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length673 ft (205.1 m)
Longest span125 ft (38.1 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,119 (2021)
Projected traffic4,211 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed14.3 mi (23 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 Vineyard DR over Salinas River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Vineyard DR over Salinas River 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 June 2024.

How much traffic does Vineyard DR over Salinas River carry?

About 4,119 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Vineyard DR over Salinas River?

The structure is 673 ft (205.1 m) long with a longest span of 125 ft (38.1 m) and a deck 33 ft wide.

Who owns Vineyard DR over Salinas River?

It is owned by the County Highway Agency.