US Bridges

Castro Street over Chevron Railroad Tracks

Fair

Contra Costa County, California · 1 MI S of Richmond Pkwy · Structure no. 28C0473

Built
1995
30 years old
Condition
Fair
inspected December 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
214 ft
3 main spans
Daily traffic
27,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Castro Street over Chevron Railroad Tracks is a prestressed concrete continuous box beam or girders - multiple carrying Castro Street over Chevron Railroad Tracks in Contra Costa County, California. It was built in 1995, so it is 30 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 6 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 27,000 vehicles a day, roughly 5% of them trucks, projected to reach 29,336 by 2044. The structure is 214 ft (65.2 m) long and 78 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCastro Street
CrossesChevron Railroad Tracks
Location1 MI S of Richmond Pkwy
RouteCity Street 0
Coordinates37.93714, -122.37856
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable 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 length214 ft (65.2 m)
Longest span97 ft (29.7 m)
Deck width78 ft (23.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2020)
Projected traffic29,336 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Castro Street over Chevron Railroad Tracks built?

It was built in 1995, making it 30 years old in 2025.

What condition is Castro Street over Chevron Railroad Tracks 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 December 2022.

How much traffic does Castro Street over Chevron Railroad Tracks carry?

About 27,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Castro Street over Chevron Railroad Tracks?

The structure is 214 ft (65.2 m) long with a longest span of 97 ft (29.7 m) and a deck 78 ft wide.

Who owns Castro Street over Chevron Railroad Tracks?

It is owned by the City or Municipal Highway Agency.