US Bridges

N238-W580 Connectr over S238-E580 W580-N238 N238

Fair

Alameda County, California · 04-ALA-238-R14.49 · Structure no. 33 0526G

Built
1988
37 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
671 ft
6 main spans
Daily traffic
28,500
2010 count
Owner
State
State Highway Agency

About this bridge

N238-W580 Connectr over S238-E580 W580-N238 N238 is a prestressed concrete continuous box beam or girders - multiple carrying N238-W580 Connectr over S238-E580 W580-N238 N238 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 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 28,500 vehicles a day, roughly 11% of them trucks, projected to reach 38,688 by 2042. The structure is 671 ft (204.5 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN238-W580 Connectr
CrossesS238-E580 W580-N238 N238
Location04-ALA-238-R14.49
RouteState Highway 238
CountyAlameda County
StateCalifornia
Coordinates37.6897, -122.09723
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
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 geometry9: Superior to present desirable 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 spans6
Design loadHS 20 + Mod
Structure length671 ft (204.5 m)
Longest span155 ft (47.2 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deck22 ft (6.6 m)

Traffic and service

Average daily traffic28,500 (2010)
Projected traffic38,688 by 2042
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 N238-W580 Connectr over S238-E580 W580-N238 N238 built?

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

What condition is N238-W580 Connectr over S238-E580 W580-N238 N238 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 N238-W580 Connectr over S238-E580 W580-N238 N238 carry?

About 28,500 vehicles per day (2010 count), of which roughly 11% are trucks.

How long is N238-W580 Connectr over S238-E580 W580-N238 N238?

The structure is 671 ft (204.5 m) long with a longest span of 155 ft (47.2 m) and a deck 54 ft wide.

Who owns N238-W580 Connectr over S238-E580 W580-N238 N238?

It is owned by the State Highway Agency.