US Bridges

Pescadero RD over Pescadero Creek

Fair

San Mateo County, California · 2 MI E Butano Cutoff · Structure no. 35C0018

Built
1937
88 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
720
2018 count
Owner
County
County Highway Agency

About this bridge

Pescadero RD over Pescadero Creek is a concrete continuous box beam or girders - single or spread carrying Pescadero RD over Pescadero Creek in San Mateo County, California. It was built in 1937, so it is 88 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 720 vehicles a day, roughly 6% of them trucks, projected to reach 2,109 by 2042. The structure is 140 ft (42.7 m) long and 23 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesPescadero RD
CrossesPescadero Creek
Location2 MI E Butano Cutoff
RouteCounty Highway 0
Coordinates37.26099, -122.32932
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating110 US tons
Inventory rating67.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length140 ft (42.7 m)
Longest span86 ft (26.2 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2018)
Projected traffic2,109 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible 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 Pescadero Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Pescadero RD over Pescadero 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 April 2024.

How much traffic does Pescadero RD over Pescadero Creek carry?

About 720 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Pescadero RD over Pescadero Creek?

The structure is 140 ft (42.7 m) long with a longest span of 86 ft (26.2 m) and a deck 23 ft wide.

Who owns Pescadero RD over Pescadero Creek?

It is owned by the County Highway Agency.