US Bridges

E24-S680 Connector over Boulevard Way

Poor

Contra Costa County, California · 04-CC-024-R8.77-WLC · Structure no. 28 0127G

Built
1994
31 years old
Condition
Poor
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
277 ft
3 main spans
Daily traffic
34,000
2017 count
Owner
State
State Highway Agency

About this bridge

E24-S680 Connector over Boulevard Way is a prestressed concrete continuous box beam or girders - multiple carrying E24-S680 Connector over Boulevard Way in Contra Costa County, California. It was built in 1994, so it is 31 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 34,000 vehicles a day, roughly 2% of them trucks, projected to reach 49,678 by 2041. The structure is 277 ft (84.4 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE24-S680 Connector
CrossesBoulevard Way
Location04-CC-024-R8.77-WLC
RouteState Highway 24
Coordinates37.89528, -122.07262
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable 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
Design loadHS 20 + Mod
Structure length277 ft (84.4 m)
Longest span141 ft (43 m)
Deck width55 ft (16.7 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2017)
Projected traffic49,678 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was E24-S680 Connector over Boulevard Way built?

It was built in 1994, making it 31 years old in 2025.

What condition is E24-S680 Connector over Boulevard Way in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does E24-S680 Connector over Boulevard Way carry?

About 34,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is E24-S680 Connector over Boulevard Way?

The structure is 277 ft (84.4 m) long with a longest span of 141 ft (43 m) and a deck 55 ft wide.

Who owns E24-S680 Connector over Boulevard Way?

It is owned by the State Highway Agency.