US Bridges

State Route 1 over Oceanside Bluff

Good

San Luis Obispo County, California · 05-SLO-001-73.00 · Structure no. 49 0245

Built
2003
22 years old
Condition
Good
inspected September 2021
Type
Slab
Concrete Continuous
Length
151 ft
4 main spans
Daily traffic
3,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Oceanside Bluff is a concrete continuous slab carrying State Route 1 over Oceanside Bluff in San Luis Obispo County, California. It was built in 2003, so it is 22 years old, younger 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 3,000 vehicles a day, projected to reach 3,533 by 2043. The structure is 151 ft (46 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 1
CrossesOceanside Bluff
Location05-SLO-001-73.00
RouteState Highway 1
Coordinates35.78318, -121.33079
Functional classRural 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.
Last inspectionSeptember 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

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length151 ft (46 m)
Longest span38 ft (11.5 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2009)
Projected traffic3,533 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 1 over Oceanside Bluff built?

It was built in 2003, making it 22 years old in 2025.

What condition is State Route 1 over Oceanside Bluff 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 September 2021.

How much traffic does State Route 1 over Oceanside Bluff carry?

About 3,000 vehicles per day (2009 count).

How long is State Route 1 over Oceanside Bluff?

The structure is 151 ft (46 m) long with a longest span of 38 ft (11.5 m) and a deck 35 ft wide.

Who owns State Route 1 over Oceanside Bluff?

It is owned by the State Highway Agency.