US Bridges

N580-BRUCE ST Off over 14th Avenue (off-Ramp)

Fair

Alameda County, California · 04-ALA-580-R42.07-OAK · Structure no. 33 0309S

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
98 ft
1 main span
Daily traffic
10,800
2014 count
Owner
State
State Highway Agency

About this bridge

N580-BRUCE ST Off over 14th Avenue (off-Ramp) is a concrete box beam or girders - multiple carrying N580-BRUCE ST Off over 14th Avenue (off-Ramp) in Alameda County, California. It was built in 1963, so it is 62 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 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 10,800 vehicles a day, roughly 2% of them trucks, projected to reach 12,826 by 2041. The structure is 98 ft (29.9 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesN580-BRUCE ST Off
Crosses14th Avenue (off-Ramp)
Location04-ALA-580-R42.07-OAK
RouteInterstate 580
CountyAlameda County
StateCalifornia
Coordinates37.80063, -122.22627
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating85.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length98 ft (29.9 m)
Longest span90 ft (27.4 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,800 (2014)
Projected traffic12,826 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 N580-BRUCE ST Off over 14th Avenue (off-Ramp) built?

It was built in 1963, making it 62 years old in 2025.

What condition is N580-BRUCE ST Off over 14th Avenue (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 N580-BRUCE ST Off over 14th Avenue (off-Ramp) carry?

About 10,800 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is N580-BRUCE ST Off over 14th Avenue (off-Ramp)?

The structure is 98 ft (29.9 m) long with a longest span of 90 ft (27.4 m) and a deck 26 ft wide.

Who owns N580-BRUCE ST Off over 14th Avenue (off-Ramp)?

It is owned by the State Highway Agency.