US Bridges

Santa Fe Road over Br San Luis Obispo Creek

Fair

San Luis Obispo County, California · 1.6 MI N. of Buckley Road · Structure no. 49C0380

Built
1920
105 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
1,311
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Santa Fe Road over Br San Luis Obispo Creek is a concrete tee beam carrying Santa Fe Road over Br San Luis Obispo Creek in San Luis Obispo County, California. It was built in 1920, so it is 105 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,311 vehicles a day, roughly 10% of them trucks, projected to reach 3,606 by 2041. The structure is 23 ft (6.9 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSanta Fe Road
CrossesBr San Luis Obispo Creek
Location1.6 MI N. of Buckley Road
RouteCounty Highway 0
Coordinates35.24536, -120.64909
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating31.4 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span22 ft (6.7 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,311 (2008)
Projected traffic3,606 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Santa Fe Road over Br San Luis Obispo Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Santa Fe Road over Br San Luis Obispo Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Santa Fe Road over Br San Luis Obispo Creek carry?

About 1,311 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Santa Fe Road over Br San Luis Obispo Creek?

The structure is 23 ft (6.9 m) long with a longest span of 22 ft (6.7 m) and a deck 23 ft wide.

Who owns Santa Fe Road over Br San Luis Obispo Creek?

It is owned by the City or Municipal Highway Agency.