US Bridges

SR 24 EB Ramp over Pleasant Hill Road

Fair

Contra Costa County, California · 04-CC-024-R7.66-LFYT · Structure no. 28 0106S

Built
1971
54 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
245 ft
3 main spans
Daily traffic
11,450
2019 count
Owner
State
State Highway Agency

About this bridge

SR 24 EB Ramp over Pleasant Hill Road is a concrete continuous box beam or girders - multiple carrying SR 24 EB Ramp over Pleasant Hill Road in Contra Costa County, California. It was built in 1971, so it is 54 years old, younger 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 11,450 vehicles a day, roughly 1% of them trucks, projected to reach 43,614 by 2041. The structure is 245 ft (74.7 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 24 EB Ramp
CrossesPleasant Hill Road
Location04-CC-024-R7.66-LFYT
RouteState Highway 24
CountyContra Costa County
StateCalifornia
Coordinates37.89729, -122.09622
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span135 ft (41.1 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,450 (2019)
Projected traffic43,614 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 24 EB Ramp over Pleasant Hill Road built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 24 EB Ramp over Pleasant Hill Road 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 June 2023.

How much traffic does SR 24 EB Ramp over Pleasant Hill Road carry?

About 11,450 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is SR 24 EB Ramp over Pleasant Hill Road?

The structure is 245 ft (74.7 m) long with a longest span of 135 ft (41.1 m) and a deck 38 ft wide.

Who owns SR 24 EB Ramp over Pleasant Hill Road?

It is owned by the State Highway Agency.