US Bridges

S242-S680 Connectr over Interstate 680

Fair

Contra Costa County, California · 04-CC-242-R0.08-CND · Structure no. 28 0040F

Built
1963
62 years old, rebuilt 2000
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,238 ft
3 main spans
Daily traffic
47,000
2009 count
Owner
State
State Highway Agency

About this bridge

S242-S680 Connectr over Interstate 680 is a prestressed concrete continuous box beam or girders - multiple carrying S242-S680 Connectr over Interstate 680 in Contra Costa County, California. It was built in 1963 and reconstructed in 2000, so it is 62 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 5 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 47,000 vehicles a day, roughly 5% of them trucks, projected to reach 92,478 by 2042. The structure is 1,238 ft (377.3 m) long and 56 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS242-S680 Connectr
CrossesInterstate 680
Location04-CC-242-R0.08-CND
RouteState Highway 242
Coordinates37.95766, -122.05295
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadHS 20
Structure length1,238 ft (377.3 m)
Longest span214 ft (65.2 m)
Deck width56 ft (17.2 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,000 (2009)
Projected traffic92,478 by 2042
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S242-S680 Connectr over Interstate 680 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2000.

What condition is S242-S680 Connectr over Interstate 680 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 January 2024.

How much traffic does S242-S680 Connectr over Interstate 680 carry?

About 47,000 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is S242-S680 Connectr over Interstate 680?

The structure is 1,238 ft (377.3 m) long with a longest span of 214 ft (65.2 m) and a deck 56 ft wide.

Who owns S242-S680 Connectr over Interstate 680?

It is owned by the State Highway Agency.