US Bridges

Pecho Valley RD over Islay Creek

Good

San Luis Obispo County, California · 4.9 MI SW Baywood Park · Structure no. 49C0239

Built
1974
51 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
46 ft
1 main span
Daily traffic
1,790
2006 count
Owner
County
County Highway Agency

About this bridge

Pecho Valley RD over Islay Creek is a concrete slab carrying Pecho Valley RD over Islay Creek in San Luis Obispo County, California. It was built in 1974, so it is 51 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 1,790 vehicles a day, roughly 3% of them trucks, projected to reach 4,474 by 2046. The structure is 46 ft (14 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPecho Valley RD
CrossesIslay Creek
Location4.9 MI SW Baywood Park
RouteCounty Highway 0
Coordinates35.2747, -120.88666
Functional classRural Major 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 protection7 GoodSome minor problems.
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 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 rating70 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span43 ft (13 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,790 (2006)
Projected traffic4,474 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-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 Pecho Valley RD over Islay Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Pecho Valley RD over Islay 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 Pecho Valley RD over Islay Creek carry?

About 1,790 vehicles per day (2006 count), of which roughly 3% are trucks.

How long is Pecho Valley RD over Islay Creek?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13 m) and a deck 29 ft wide.

Who owns Pecho Valley RD over Islay Creek?

It is owned by the County Highway Agency.