US Bridges

N580-WEST ST Off-R over Martin Luther King Jr Wy

Good

Alameda County, California · 04-ALA-580-45.25-OAK · Structure no. 33 0299S

Built
1961
64 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
141 ft
1 main span
Daily traffic
10,100
2011 count
Owner
State
State Highway Agency

About this bridge

N580-WEST ST Off-R over Martin Luther King Jr Wy is a concrete box beam or girders - multiple carrying N580-WEST ST Off-R over Martin Luther King Jr Wy in Alameda County, California. It was built in 1961, so it is 64 years old, older 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 10,100 vehicles a day, roughly 2% of them trucks, projected to reach 15,716 by 2042. The structure is 141 ft (43 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesN580-WEST ST Off-R
CrossesMartin Luther King Jr Wy
Location04-ALA-580-45.25-OAK
RouteInterstate 580
Coordinates37.82485, -122.26941
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length141 ft (43 m)
Longest span83 ft (25.3 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2011)
Projected traffic15,716 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 N580-WEST ST Off-R over Martin Luther King Jr Wy built?

It was built in 1961, making it 64 years old in 2025.

What condition is N580-WEST ST Off-R over Martin Luther King Jr Wy 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 August 2024.

How much traffic does N580-WEST ST Off-R over Martin Luther King Jr Wy carry?

About 10,100 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is N580-WEST ST Off-R over Martin Luther King Jr Wy?

The structure is 141 ft (43 m) long with a longest span of 83 ft (25.3 m) and a deck 26 ft wide.

Who owns N580-WEST ST Off-R over Martin Luther King Jr Wy?

It is owned by the State Highway Agency.