US Bridges

Avila Beach DR over San Luis Obispo Creek

Good

San Luis Obispo County, California · Avila RD · Structure no. 49C0327

Built
1967
58 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
480 ft
8 main spans
Daily traffic
7,434
2015 count
Owner
County
County Highway Agency

About this bridge

Avila Beach DR over San Luis Obispo Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Avila Beach DR over San Luis Obispo Creek in San Luis Obispo County, California. It was built in 1967, 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 7,434 vehicles a day, roughly 3% of them trucks, projected to reach 14,034 by 2045. The structure is 480 ft (146.3 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAvila Beach DR
CrossesSan Luis Obispo Creek
LocationAvila RD
RouteCounty Highway 0
Coordinates35.17911, -120.73839
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length480 ft (146.3 m)
Longest span60 ft (18.3 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,434 (2015)
Projected traffic14,034 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Avila Beach DR over San Luis Obispo Creek built?

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

What condition is Avila Beach DR over San Luis Obispo Creek 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 Avila Beach DR over San Luis Obispo Creek carry?

About 7,434 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Avila Beach DR over San Luis Obispo Creek?

The structure is 480 ft (146.3 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.

Who owns Avila Beach DR over San Luis Obispo Creek?

It is owned by the County Highway Agency.