US Bridges

Interstate 580 over Fthll Blvd Uc (off-Ramp)

Fair

Alameda County, California · 04-ALA-580-R35.10-OAK · Structure no. 33 0335K

Built
1964
61 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
252 ft
4 main spans
Daily traffic
10,855
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 580 over Fthll Blvd Uc (off-Ramp) is a concrete continuous box beam or girders - multiple carrying Interstate 580 over Fthll Blvd Uc (off-Ramp) in Alameda County, California. It was built in 1964, so it is 61 years old, older 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 10,855 vehicles a day, roughly 1% of them trucks, projected to reach 21,377 by 2043. The structure is 252 ft (76.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesInterstate 580
CrossesFthll Blvd Uc (off-Ramp)
Location04-ALA-580-R35.10-OAK
RouteInterstate 580
CountyAlameda County
StateCalifornia
Coordinates37.73755, -122.14162
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span81 ft (24.7 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,855 (2014)
Projected traffic21,377 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 580 over Fthll Blvd Uc (off-Ramp) built?

It was built in 1964, making it 61 years old in 2025.

What condition is Interstate 580 over Fthll Blvd Uc (off-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 September 2023.

How much traffic does Interstate 580 over Fthll Blvd Uc (off-Ramp) carry?

About 10,855 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Interstate 580 over Fthll Blvd Uc (off-Ramp)?

The structure is 252 ft (76.8 m) long with a longest span of 81 ft (24.7 m) and a deck 26 ft wide.

Who owns Interstate 580 over Fthll Blvd Uc (off-Ramp)?

It is owned by the State Highway Agency.