US Bridges

Delaware ST over Fiesta Channel

Good

San Mateo County, California · 0.3 MI S of SH 92 · Structure no. 35C0080

Built
1953
72 years old, rebuilt 1998
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
14,280
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Delaware ST over Fiesta Channel is a concrete continuous culvert carrying Delaware ST over Fiesta Channel in San Mateo County, California. It was built in 1953 and reconstructed in 1998, so it is 72 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 14,280 vehicles a day, roughly 8% of them trucks, projected to reach 21,519 by 2040. The structure is 32 ft (9.8 m) long and 96 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDelaware ST
CrossesFiesta Channel
Location0.3 MI S of SH 92
RouteCity Street 0
Coordinates37.5488, -122.30471
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span14 ft (4.4 m)
Deck width96 ft (29.2 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,280 (2017)
Projected traffic21,519 by 2040
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Delaware ST over Fiesta Channel built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1998.

What condition is Delaware ST over Fiesta Channel 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 May 2023.

How much traffic does Delaware ST over Fiesta Channel carry?

About 14,280 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is Delaware ST over Fiesta Channel?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.4 m) and a deck 96 ft wide.

Who owns Delaware ST over Fiesta Channel?

It is owned by the City or Municipal Highway Agency.