US Bridges

Castro Valley Blvd over State Route 238 NB

Fair

Alameda County, California · 04-ALA-238-R14.47 · Structure no. 33 0443

Built
1990
35 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
30,000
1998 count
Owner
State
State Highway Agency

About this bridge

Castro Valley Blvd over State Route 238 NB is a concrete continuous box beam or girders - multiple carrying Castro Valley Blvd over State Route 238 NB in Alameda County, California. It was built in 1990, so it is 35 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 30,000 vehicles a day, roughly 1% of them trucks, projected to reach 54,700 by 2042. The structure is 124 ft (37.8 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCastro Valley Blvd
CrossesState Route 238 NB
Location04-ALA-238-R14.47
RouteCounty Highway 0
Coordinates37.68906, -122.09469
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum 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 length124 ft (37.8 m)
Longest span60 ft (18.3 m)
Deck width95 ft (28.9 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (1998)
Projected traffic54,700 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Castro Valley Blvd over State Route 238 NB built?

It was built in 1990, making it 35 years old in 2025.

What condition is Castro Valley Blvd over State Route 238 NB 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 February 2024.

How much traffic does Castro Valley Blvd over State Route 238 NB carry?

About 30,000 vehicles per day (1998 count), of which roughly 1% are trucks.

How long is Castro Valley Blvd over State Route 238 NB?

The structure is 124 ft (37.8 m) long with a longest span of 60 ft (18.3 m) and a deck 95 ft wide.

Who owns Castro Valley Blvd over State Route 238 NB?

It is owned by the State Highway Agency.