US Bridges

S Chorro ST over Stenner Creek

Fair

San Luis Obispo County, California · Slo Cty · Structure no. 49C0370

Built
1935
90 years old, rebuilt 1954
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
7,735
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Chorro ST over Stenner Creek is a concrete tee beam carrying S Chorro ST over Stenner Creek in San Luis Obispo County, California. It was built in 1935 and reconstructed in 1954, so it is 90 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 5 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 7,735 vehicles a day, roughly 3% of them trucks, projected to reach 10,512 by 2045. The structure is 38 ft (11.6 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS Chorro ST
CrossesStenner Creek
LocationSlo Cty
RouteCity Street 0
CountySan Luis Obispo County
StateCalifornia
Coordinates35.28473, -120.66708
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating28.2 US tons
Inventory rating16.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width50 ft (15.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,735 (2008)
Projected traffic10,512 by 2045
Trucks3%
Lanes on structure3
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 S Chorro ST over Stenner Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1954.

What condition is S Chorro ST over Stenner 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 March 2023.

How much traffic does S Chorro ST over Stenner Creek carry?

About 7,735 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is S Chorro ST over Stenner Creek?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 50 ft wide.

Who owns S Chorro ST over Stenner Creek?

It is owned by the City or Municipal Highway Agency.