US Bridges

Buena Vista Ave over US Highway 101

Good

San Luis Obispo County, California · 05-SLO-101-29.99-SLO · Structure no. 49 0094

Built
1953
72 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
140 ft
2 main spans
Daily traffic
14,518
2005 count
Owner
State
State Highway Agency

About this bridge

Buena Vista Ave over US Highway 101 is a concrete continuous box beam or girders - multiple carrying Buena Vista Ave over US Highway 101 in San Luis Obispo County, California. It was built in 1953, so it is 72 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 14,518 vehicles a day, roughly 5% of them trucks, projected to reach 21,872 by 2041. The structure is 140 ft (42.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBuena Vista Ave
CrossesUS Highway 101
Location05-SLO-101-29.99-SLO
RouteCity Street 0Y397
Coordinates35.29162, -120.64969
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating50.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span57 ft (17.4 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,518 (2005)
Projected traffic21,872 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 Buena Vista Ave over US Highway 101 built?

It was built in 1953, making it 72 years old in 2025.

What condition is Buena Vista Ave 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 May 2023.

How much traffic does Buena Vista Ave over US Highway 101 carry?

About 14,518 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Buena Vista Ave over US Highway 101?

The structure is 140 ft (42.7 m) long with a longest span of 57 ft (17.4 m) and a deck 36 ft wide.

Who owns Buena Vista Ave over US Highway 101?

It is owned by the State Highway Agency.