US Bridges

Loveridge Road over State Route 4

Fair

Contra Costa County, California · 04-CC-004-24.31-PIT · Structure no. 28 0394

Built
2014
11 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
387 ft
3 main spans
Daily traffic
23,432
2017 count
Owner
State
State Highway Agency

About this bridge

Loveridge Road over State Route 4 is a prestressed concrete continuous box beam or girders - multiple carrying Loveridge Road over State Route 4 in Contra Costa County, California. It was built in 2014, so it is 11 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 23,432 vehicles a day, roughly 3% of them trucks, projected to reach 42,847 by 2045. The structure is 387 ft (118.1 m) long and 141 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLoveridge Road
CrossesState Route 4
Location04-CC-004-24.31-PIT
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates38.01181, -121.8674
Functional classUrban Minor Arterial

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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length387 ft (118.1 m)
Longest span147 ft (44.9 m)
Deck width141 ft (43 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,432 (2017)
Projected traffic42,847 by 2045
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Loveridge Road over State Route 4 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Loveridge Road over State Route 4 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 May 2023.

How much traffic does Loveridge Road over State Route 4 carry?

About 23,432 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Loveridge Road over State Route 4?

The structure is 387 ft (118.1 m) long with a longest span of 147 ft (44.9 m) and a deck 141 ft wide.

Who owns Loveridge Road over State Route 4?

It is owned by the State Highway Agency.