US Bridges

Pescadero RD over Butano Creek

Good

San Mateo County, California · 0.3 MI E Bean Hollow RD · Structure no. 35C0005

Built
1961
64 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
2,624
2018 count
Owner
County
County Highway Agency

About this bridge

Pescadero RD over Butano Creek is a concrete continuous slab carrying Pescadero RD over Butano Creek in San Mateo County, California. It was built in 1961, so it is 64 years old, older 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 2,624 vehicles a day, roughly 9% of them trucks, projected to reach 3,817 by 2042. The structure is 82 ft (25 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesPescadero RD
CrossesButano Creek
Location0.3 MI E Bean Hollow RD
RouteCounty Highway 0
Coordinates37.25002, -122.39575
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (25 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,624 (2018)
Projected traffic3,817 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Pescadero RD over Butano Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Pescadero RD over Butano 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 Pescadero RD over Butano Creek carry?

About 2,624 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Pescadero RD over Butano Creek?

The structure is 82 ft (25 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns Pescadero RD over Butano Creek?

It is owned by the County Highway Agency.