US Bridges

Curbaril Ave over US Highway 101

Good

San Luis Obispo County, California · 05-SLO-101-44.84-ATAS · Structure no. 49 0161

Built
1962
63 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
192 ft
4 main spans
Daily traffic
3,200
2005 count
Owner
State
State Highway Agency

About this bridge

Curbaril Ave over US Highway 101 is a steel stringer/multi-beam or girder carrying Curbaril Ave over US Highway 101 in San Luis Obispo County, California. It was built in 1962, so it is 63 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 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 5,434 by 2043. The structure is 192 ft (58.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCurbaril Ave
CrossesUS Highway 101
Location05-SLO-101-44.84-ATAS
RouteCity Street 0Y065
Coordinates35.47634, -120.65863
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 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span59 ft (18 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2005)
Projected traffic5,434 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Curbaril Ave over US Highway 101 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Curbaril 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 2021.

How much traffic does Curbaril Ave over US Highway 101 carry?

About 3,200 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Curbaril Ave over US Highway 101?

The structure is 192 ft (58.5 m) long with a longest span of 59 ft (18 m) and a deck 40 ft wide.

Who owns Curbaril Ave over US Highway 101?

It is owned by the State Highway Agency.