US Bridges

Foothill Blvd over Stenner Creek

Good

San Luis Obispo County, California · 0.1MI East of SR 1 · Structure no. 49C0440

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
5,000
2004 count
Owner
City
City or Municipal Highway Agency

About this bridge

Foothill Blvd over Stenner Creek is a prestressed concrete slab carrying Foothill Blvd over Stenner Creek in San Luis Obispo County, California. It was built in 2005, so it is 20 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 8,189 by 2046. The structure is 51 ft (15.6 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFoothill Blvd
CrossesStenner Creek
Location0.1MI East of SR 1
RouteCity Street 0
Coordinates35.29399, -120.66657
Functional classUrban Collector

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 protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length51 ft (15.6 m)
Longest span31 ft (9.6 m)
Deck width78 ft (23.8 m)
Roadway width64 ft (19.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2004)
Projected traffic8,189 by 2046
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Foothill Blvd over Stenner Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Foothill Blvd over Stenner 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 April 2024.

How much traffic does Foothill Blvd over Stenner Creek carry?

About 5,000 vehicles per day (2004 count), of which roughly 1% are trucks.

How long is Foothill Blvd over Stenner Creek?

The structure is 51 ft (15.6 m) long with a longest span of 31 ft (9.6 m) and a deck 78 ft wide.

Who owns Foothill Blvd over Stenner Creek?

It is owned by the City or Municipal Highway Agency.