US Bridges

Farnsworth ST over Estudillo Canal Ditch

Good

Alameda County, California · N of Burkhart Ave · Structure no. 33C0208

Built
1955
70 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
35 ft
4 main spans
Daily traffic
4,300
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Farnsworth ST over Estudillo Canal Ditch is a concrete continuous culvert carrying Farnsworth ST over Estudillo Canal Ditch in Alameda County, California. It was built in 1955, so it is 70 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 4,300 vehicles a day, roughly 1% of them trucks, projected to reach 6,651 by 2046. The structure is 35 ft (10.7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFarnsworth ST
CrossesEstudillo Canal Ditch
LocationN of Burkhart Ave
RouteCity Street 0
Coordinates37.6858, -122.15104
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
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 adequacy8: Equal 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 spans4
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2010)
Projected traffic6,651 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Farnsworth ST over Estudillo Canal Ditch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Farnsworth ST over Estudillo Canal Ditch 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 October 2024.

How much traffic does Farnsworth ST over Estudillo Canal Ditch carry?

About 4,300 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Farnsworth ST over Estudillo Canal Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 60 ft wide.

Who owns Farnsworth ST over Estudillo Canal Ditch?

It is owned by the City or Municipal Highway Agency.