US Bridges

Interstate 680 over El Cerro Boulevard

Good

Contra Costa County, California · 04-CC-680-R8.18-DNVL · Structure no. 28 0199

Built
1964
61 years old, rebuilt 1994
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
167 ft
3 main spans
Daily traffic
190,100
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 680 over El Cerro Boulevard is a concrete continuous box beam or girders - multiple carrying Interstate 680 over El Cerro Boulevard in Contra Costa County, California. It was built in 1964 and reconstructed in 1994, 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 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 190,100 vehicles a day, roughly 6% of them trucks, projected to reach 247,100 by 2041. The structure is 167 ft (50.9 m) long and 140 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesInterstate 680
CrossesEl Cerro Boulevard
Location04-CC-680-R8.18-DNVL
RouteInterstate 680
Coordinates37.82965, -122.0005
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 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 spans3
Design loadHS 20 + Mod
Structure length167 ft (50.9 m)
Longest span87 ft (26.5 m)
Deck width140 ft (42.7 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190,100 (2020)
Projected traffic247,100 by 2041
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 El Cerro Boulevard built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1994.

What condition is Interstate 680 over El Cerro Boulevard 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 Interstate 680 over El Cerro Boulevard carry?

About 190,100 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Interstate 680 over El Cerro Boulevard?

The structure is 167 ft (50.9 m) long with a longest span of 87 ft (26.5 m) and a deck 140 ft wide.

Who owns Interstate 680 over El Cerro Boulevard?

It is owned by the State Highway Agency.