US Bridges

S238-E580 Connectr over SR 238 NB Castro on Ramp

Fair

Alameda County, California · 04-ALA-238-R14.58 · Structure no. 33 0524F

Built
1988
37 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
423 ft
4 main spans
Daily traffic
10,500
1994 count
Owner
State
State Highway Agency

About this bridge

S238-E580 Connectr over SR 238 NB Castro on Ramp is a prestressed concrete continuous box beam or girders - multiple carrying S238-E580 Connectr over SR 238 NB Castro on Ramp in Alameda County, California. It was built in 1988, so it is 37 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 10,500 vehicles a day, roughly 11% of them trucks, projected to reach 16,410 by 2042. The structure is 423 ft (128.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS238-E580 Connectr
CrossesSR 238 NB Castro on Ramp
Location04-ALA-238-R14.58
RouteState Highway 238
CountyAlameda County
StateCalifornia
Coordinates37.68993, -122.09684
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 spans4
Design loadHS 20 + Mod
Structure length423 ft (128.9 m)
Longest span140 ft (42.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic10,500 (1994)
Projected traffic16,410 by 2042
Trucks11%
Lanes on structure3
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 S238-E580 Connectr over SR 238 NB Castro on Ramp built?

It was built in 1988, making it 37 years old in 2025.

What condition is S238-E580 Connectr over SR 238 NB Castro on Ramp 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 S238-E580 Connectr over SR 238 NB Castro on Ramp carry?

About 10,500 vehicles per day (1994 count), of which roughly 11% are trucks.

How long is S238-E580 Connectr over SR 238 NB Castro on Ramp?

The structure is 423 ft (128.9 m) long with a longest span of 140 ft (42.7 m) and a deck 42 ft wide.

Who owns S238-E580 Connectr over SR 238 NB Castro on Ramp?

It is owned by the State Highway Agency.