US Bridges

Floresta Blvd over Interstate 880

Good

Alameda County, California · 04-ALA-880-21.56-SLN · Structure no. 33 0293

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
232 ft
2 main spans
Daily traffic
7,500
2016 count
Owner
State
State Highway Agency

About this bridge

Floresta Blvd over Interstate 880 is a prestressed concrete continuous box beam or girders - multiple carrying Floresta Blvd over Interstate 880 in Alameda County, California. It was built in 1993, so it is 32 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,500 vehicles a day, roughly 1% of them trucks, projected to reach 8,581 by 2046. The structure is 232 ft (70.7 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFloresta Blvd
CrossesInterstate 880
Location04-ALA-880-21.56-SLN
RouteCity Street 0
Coordinates37.69802, -122.14916
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length232 ft (70.7 m)
Longest span115 ft (34.9 m)
Deck width63 ft (19.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2016)
Projected traffic8,581 by 2046
Trucks1%
Lanes on structure2
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 Floresta Blvd over Interstate 880 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Floresta Blvd over Interstate 880 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Floresta Blvd over Interstate 880 carry?

About 7,500 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Floresta Blvd over Interstate 880?

The structure is 232 ft (70.7 m) long with a longest span of 115 ft (34.9 m) and a deck 63 ft wide.

Who owns Floresta Blvd over Interstate 880?

It is owned by the State Highway Agency.