US Bridges

Benedict Drive over San Leandro Creek

Fair

Alameda County, California · N/O Lake Chabot RD · Structure no. 33C0081

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
213 ft
3 main spans
Daily traffic
4,110
1979 count
Owner
City
City or Municipal Highway Agency

About this bridge

Benedict Drive over San Leandro Creek is a concrete continuous box beam or girders - multiple carrying Benedict Drive over San Leandro Creek in Alameda County, California. It was built in 1964, so it is 61 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 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 4,110 vehicles a day, roughly 5% of them trucks, projected to reach 6,520 by 2041. The structure is 213 ft (64.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBenedict Drive
CrossesSan Leandro Creek
LocationN/O Lake Chabot RD
RouteCity Street 0
Coordinates37.73059, -122.13822
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating41.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length213 ft (64.9 m)
Longest span105 ft (32 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,110 (1979)
Projected traffic6,520 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Benedict Drive over San Leandro Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Benedict Drive over San Leandro 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 July 2023.

How much traffic does Benedict Drive over San Leandro Creek carry?

About 4,110 vehicles per day (1979 count), of which roughly 5% are trucks.

How long is Benedict Drive over San Leandro Creek?

The structure is 213 ft (64.9 m) long with a longest span of 105 ft (32 m) and a deck 40 ft wide.

Who owns Benedict Drive over San Leandro Creek?

It is owned by the City or Municipal Highway Agency.