US Bridges

Stafford ST over Cordilleras Creek

Fair

San Mateo County, California · North of F ST · Structure no. 35C0050

Built
1903
122 years old
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
28 ft
1 main span
Daily traffic
5,000
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stafford ST over Cordilleras Creek is a concrete arch - deck carrying Stafford ST over Cordilleras Creek in San Mateo County, California. It was built in 1903, so it is 122 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 5,000 vehicles a day, roughly 15% of them trucks, projected to reach 10,795 by 2046. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStafford ST
CrossesCordilleras Creek
LocationNorth of F ST
RouteCity Street 0
CountySan Mateo County
StateCalifornia
Coordinates37.49432, -122.24414
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2010)
Projected traffic10,795 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Stafford ST over Cordilleras Creek built?

It was built in 1903, making it 122 years old in 2025.

What condition is Stafford ST over Cordilleras 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 Stafford ST over Cordilleras Creek carry?

About 5,000 vehicles per day (2010 count), of which roughly 15% are trucks.

How long is Stafford ST over Cordilleras Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Stafford ST over Cordilleras Creek?

It is owned by the City or Municipal Highway Agency.