US Bridges

Interstate 680 over Amador Valley Blvd

Good

Alameda County, California · 04-ALA-680-R20.73 · Structure no. 33 0356

Built
1965
60 years old, rebuilt 2000
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
166 ft
4 main spans
Daily traffic
165,000
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 680 over Amador Valley Blvd is a concrete continuous box beam or girders - multiple carrying Interstate 680 over Amador Valley Blvd in Alameda County, California. It was built in 1965 and reconstructed in 2000, so it is 60 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 165,000 vehicles a day, roughly 7% of them trucks, projected to reach 238,619 by 2042. The structure is 166 ft (50.6 m) long and 177 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 680
CrossesAmador Valley Blvd
Location04-ALA-680-R20.73
RouteInterstate 680
Coordinates37.7095, -121.92828
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span56 ft (17.1 m)
Deck width177 ft (54 m)
Roadway width172 ft (52.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165,000 (2009)
Projected traffic238,619 by 2042
Trucks7%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 680 over Amador Valley Blvd built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2000.

What condition is Interstate 680 over Amador Valley Blvd 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 April 2024.

How much traffic does Interstate 680 over Amador Valley Blvd carry?

About 165,000 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is Interstate 680 over Amador Valley Blvd?

The structure is 166 ft (50.6 m) long with a longest span of 56 ft (17.1 m) and a deck 177 ft wide.

Who owns Interstate 680 over Amador Valley Blvd?

It is owned by the State Highway Agency.