US Bridges

Buckley Road over E Br San Luis Obispo Crk

Good

San Luis Obispo County, California · 1.5 MI E of US 101 · Structure no. 49C0106

Built
1956
69 years old, rebuilt 1985
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
3 main spans
Daily traffic
4,396
2008 count
Owner
County
County Highway Agency

About this bridge

Buckley Road over E Br San Luis Obispo Crk is a steel stringer/multi-beam or girder carrying Buckley Road over E Br San Luis Obispo Crk in San Luis Obispo County, California. It was built in 1956 and reconstructed in 1985, so it is 69 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 4,396 vehicles a day, roughly 3% of them trucks, projected to reach 5,991 by 2045. The structure is 83 ft (25.3 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBuckley Road
CrossesE Br San Luis Obispo Crk
Location1.5 MI E of US 101
RouteCounty Highway 0
Coordinates35.23578, -120.65832
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span39 ft (11.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,396 (2008)
Projected traffic5,991 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Buckley Road over E Br San Luis Obispo Crk built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1985.

What condition is Buckley Road over E Br San Luis Obispo Crk 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 July 2023.

How much traffic does Buckley Road over E Br San Luis Obispo Crk carry?

About 4,396 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Buckley Road over E Br San Luis Obispo Crk?

The structure is 83 ft (25.3 m) long with a longest span of 39 ft (11.9 m) and a deck 29 ft wide.

Who owns Buckley Road over E Br San Luis Obispo Crk?

It is owned by the County Highway Agency.