US Bridges

Potrero Ave over Cesar Chavez ST

Fair

San Francisco County, California · Over Cesar Chavez ST · Structure no. 34C0021

Built
1974
51 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
32,280
2018 count
Owner
County
County Highway Agency

About this bridge

Potrero Ave over Cesar Chavez ST is a prestressed concrete box beam or girders - multiple carrying Potrero Ave over Cesar Chavez ST in San Francisco County, California. It was built in 1974, so it is 51 years old, younger 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 6 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 32,280 vehicles a day, roughly 5% of them trucks, projected to reach 25,738 by 2041. The structure is 101 ft (30.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPotrero Ave
CrossesCesar Chavez ST
LocationOver Cesar Chavez ST
RouteCity Street 0
Coordinates37.74909, -122.40476
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span89 ft (27 m)
Deck width42 ft (12.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic32,280 (2018)
Projected traffic25,738 by 2041
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Potrero Ave over Cesar Chavez ST built?

It was built in 1974, making it 51 years old in 2025.

What condition is Potrero Ave over Cesar Chavez ST 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 December 2023.

How much traffic does Potrero Ave over Cesar Chavez ST carry?

About 32,280 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Potrero Ave over Cesar Chavez ST?

The structure is 101 ft (30.8 m) long with a longest span of 89 ft (27 m) and a deck 42 ft wide.

Who owns Potrero Ave over Cesar Chavez ST?

It is owned by the County Highway Agency.