US Bridges

Toro ST over San Luis Obispo Creek

Good

San Luis Obispo County, California · 0.1 MI SE Marsh ST · Structure no. 49C0288

Built
1989
36 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
66 ft
1 main span
Daily traffic
1,669
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Toro ST over San Luis Obispo Creek is a concrete box beam or girders - multiple carrying Toro ST over San Luis Obispo Creek in San Luis Obispo County, California. It was built in 1989, so it is 36 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 1,669 vehicles a day, roughly 3% of them trucks, projected to reach 3,327 by 2045. The structure is 66 ft (20.1 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesToro ST
CrossesSan Luis Obispo Creek
Location0.1 MI SE Marsh ST
RouteCity Street 0
Coordinates35.28119, -120.65603
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span64 ft (19.5 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,669 (2015)
Projected traffic3,327 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Toro ST over San Luis Obispo Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Toro ST 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 Toro ST over San Luis Obispo Creek carry?

About 1,669 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Toro ST over San Luis Obispo Creek?

The structure is 66 ft (20.1 m) long with a longest span of 64 ft (19.5 m) and a deck 38 ft wide.

Who owns Toro ST over San Luis Obispo Creek?

It is owned by the City or Municipal Highway Agency.