US Bridges

Greenville RD over South Bay Aqueduct

Good

Alameda County, California · 2.1 MI South of I-580 · Structure no. 33C0241

Built
1962
63 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
1,200
2012 count
Owner
County
County Highway Agency

About this bridge

Greenville RD over South Bay Aqueduct is a concrete tee beam carrying Greenville RD over South Bay Aqueduct in Alameda County, California. It was built in 1962, so it is 63 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 1,200 vehicles a day, roughly 12% of them trucks, projected to reach 1,635 by 2043. The structure is 43 ft (13.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGreenville RD
CrossesSouth Bay Aqueduct
Location2.1 MI South of I-580
RouteCounty Highway 0
Coordinates37.67789, -121.69669
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2012)
Projected traffic1,635 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Greenville RD over South Bay Aqueduct built?

It was built in 1962, making it 63 years old in 2025.

What condition is Greenville RD over South Bay Aqueduct 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 November 2023.

How much traffic does Greenville RD over South Bay Aqueduct carry?

About 1,200 vehicles per day (2012 count), of which roughly 12% are trucks.

How long is Greenville RD over South Bay Aqueduct?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns Greenville RD over South Bay Aqueduct?

It is owned by the County Highway Agency.