US Bridges

E980-580 Connector over I 980 & I 580 & Sts

Good

Alameda County, California · 04-ALA-980-1.98-OAK · Structure no. 33 0304G

Built
1970
55 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
2,721 ft
34 main spans
Daily traffic
54,000
1998 count
Owner
State
State Highway Agency

About this bridge

E980-580 Connector over I 980 & I 580 & Sts is a concrete continuous box beam or girders - multiple carrying E980-580 Connector over I 980 & I 580 & Sts in Alameda County, California. It was built in 1970, so it is 55 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 54,000 vehicles a day, roughly 2% of them trucks, projected to reach 65,422 by 2044. The structure is 2,721 ft (829.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesE980-580 Connector
CrossesI 980 & I 580 & Sts
Location04-ALA-980-1.98-OAK
RouteInterstate 980
CountyAlameda County
StateCalifornia
Coordinates37.8251, -122.27081
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 inspectionJuly 2024
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 rating77.5 US tons
Inventory rating46.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans34
Design loadHS 20 + Mod
Structure length2,721 ft (829.4 m)
Longest span142 ft (43.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic54,000 (1998)
Projected traffic65,422 by 2044
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 E980-580 Connector over I 980 & I 580 & Sts built?

It was built in 1970, making it 55 years old in 2025.

What condition is E980-580 Connector over I 980 & I 580 & Sts 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 July 2024.

How much traffic does E980-580 Connector over I 980 & I 580 & Sts carry?

About 54,000 vehicles per day (1998 count), of which roughly 2% are trucks.

How long is E980-580 Connector over I 980 & I 580 & Sts?

The structure is 2,721 ft (829.4 m) long with a longest span of 142 ft (43.3 m) and a deck 34 ft wide.

Who owns E980-580 Connector over I 980 & I 580 & Sts?

It is owned by the State Highway Agency.