US Bridges

Warren Avenue over N880-E262 Connector Ramp

Fair

Alameda County, California · 04-ALA-880-2.29-FMT · Structure no. 33 0668

Built
2009
16 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
112 ft
1 main span
Daily traffic
30,000
2019 count
Owner
State
State Highway Agency

About this bridge

Warren Avenue over N880-E262 Connector Ramp is a concrete slab carrying Warren Avenue over N880-E262 Connector Ramp in Alameda County, California. It was built in 2009, so it is 16 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 30,000 vehicles a day, roughly 10% of them trucks, projected to reach 45,491 by 2042. The structure is 112 ft (34.1 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWarren Avenue
CrossesN880-E262 Connector Ramp
Location04-ALA-880-2.29-FMT
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.48411, -121.93496
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
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 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

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length112 ft (34.1 m)
Longest span112 ft (34.1 m)
Deck width80 ft (24.5 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (2019)
Projected traffic45,491 by 2042
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Warren Avenue over N880-E262 Connector Ramp built?

It was built in 2009, making it 16 years old in 2025.

What condition is Warren Avenue over N880-E262 Connector 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 April 2023.

How much traffic does Warren Avenue over N880-E262 Connector Ramp carry?

About 30,000 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Warren Avenue over N880-E262 Connector Ramp?

The structure is 112 ft (34.1 m) long with a longest span of 112 ft (34.1 m) and a deck 80 ft wide.

Who owns Warren Avenue over N880-E262 Connector Ramp?

It is owned by the State Highway Agency.