US Bridges

Starboard Drive over Flood Control Ch. Line E

Fair

Alameda County, California · 0.2MI NW of Fremont Blvd · Structure no. 33C0474

Built
1987
38 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
300
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Starboard Drive over Flood Control Ch. Line E is a prestressed concrete continuous tee beam carrying Starboard Drive over Flood Control Ch. Line E in Alameda County, California. It was built in 1987, so it is 38 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 358 by 2041. The structure is 120 ft (36.6 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesStarboard Drive
CrossesFlood Control Ch. Line E
Location0.2MI NW of Fremont Blvd
RouteCity Street 0
Coordinates37.49282, -121.9521
Functional classUrban Local

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating59 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span39 ft (11.9 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2014)
Projected traffic358 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 Starboard Drive over Flood Control Ch. Line E built?

It was built in 1987, making it 38 years old in 2025.

What condition is Starboard Drive over Flood Control Ch. Line E 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 November 2023.

How much traffic does Starboard Drive over Flood Control Ch. Line E carry?

About 300 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Starboard Drive over Flood Control Ch. Line E?

The structure is 120 ft (36.6 m) long with a longest span of 39 ft (11.9 m) and a deck 56 ft wide.

Who owns Starboard Drive over Flood Control Ch. Line E?

It is owned by the City or Municipal Highway Agency.