US Bridges

Stenner Creek RD over Stenner Creek

Fair

San Luis Obispo County, California · 1.25 MI N SR 1 · Structure no. 49C0085

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
150
2010 count
Owner
County
County Highway Agency

About this bridge

Stenner Creek RD over Stenner Creek is a steel stringer/multi-beam or girder carrying Stenner Creek RD over Stenner Creek in San Luis Obispo County, California. It was built in 1970, so it is 55 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 150 vehicles a day, roughly 12% of them trucks, projected to reach 320 by 2045. The structure is 41 ft (12.5 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesStenner Creek RD
CrossesStenner Creek
Location1.25 MI N SR 1
RouteCounty Highway 0
Coordinates35.32437, -120.67515
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span37 ft (11.3 m)
Deck width14 ft (4.2 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2010)
Projected traffic320 by 2045
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Stenner Creek RD over Stenner Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Stenner Creek RD 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 May 2023.

How much traffic does Stenner Creek RD over Stenner Creek carry?

About 150 vehicles per day (2010 count), of which roughly 12% are trucks.

How long is Stenner Creek RD over Stenner Creek?

The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.3 m) and a deck 14 ft wide.

Who owns Stenner Creek RD over Stenner Creek?

It is owned by the County Highway Agency.