US Bridges

Vineyard DR over US Highway 101

Good

San Luis Obispo County, California · 05-SLO-101-50.64 · Structure no. 49 0195

Built
1967
58 years old, rebuilt 2010
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
194 ft
2 main spans
Daily traffic
6,600
2005 count
Owner
State
State Highway Agency

About this bridge

Vineyard DR over US Highway 101 is a concrete continuous box beam or girders - multiple carrying Vineyard DR over US Highway 101 in San Luis Obispo County, California. It was built in 1967 and reconstructed in 2010, so it is 58 years old, older than the California average of 54.8 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 6,600 vehicles a day, roughly 5% of them trucks, projected to reach 11,046 by 2041. The structure is 194 ft (59.1 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesVineyard DR
CrossesUS Highway 101
Location05-SLO-101-50.64
RouteCounty Highway 0W113
Coordinates35.5436, -120.71487
Functional classRural Principal Arterial - Other

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span111 ft (33.9 m)
Deck width55 ft (16.9 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2005)
Projected traffic11,046 by 2041
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Vineyard DR over US Highway 101 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2010.

What condition is Vineyard DR over US Highway 101 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 2023.

How much traffic does Vineyard DR over US Highway 101 carry?

About 6,600 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Vineyard DR over US Highway 101?

The structure is 194 ft (59.1 m) long with a longest span of 111 ft (33.9 m) and a deck 55 ft wide.

Who owns Vineyard DR over US Highway 101?

It is owned by the State Highway Agency.