US Bridges

14th Street over Interstate 980

Fair

Alameda County, California · 04-ALA-980-0.70-OAK · Structure no. 33 0478

Built
1981
44 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
430 ft
4 main spans
Daily traffic
8,000
2012 count
Owner
State
State Highway Agency

About this bridge

14th Street over Interstate 980 is a prestressed concrete continuous box beam or girders - multiple carrying 14th Street over Interstate 980 in Alameda County, California. It was built in 1981, so it is 44 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 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 8,000 vehicles a day, roughly 2% of them trucks, projected to reach 8,658 by 2044. The structure is 430 ft (131.1 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries14th Street
CrossesInterstate 980
Location04-ALA-980-0.70-OAK
RouteCity Street 0
Coordinates37.8071, -122.27863
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length430 ft (131.1 m)
Longest span135 ft (41.1 m)
Deck width80 ft (24.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2012)
Projected traffic8,658 by 2044
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 14th Street over Interstate 980 built?

It was built in 1981, making it 44 years old in 2025.

What condition is 14th Street over Interstate 980 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 May 2024.

How much traffic does 14th Street over Interstate 980 carry?

About 8,000 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is 14th Street over Interstate 980?

The structure is 430 ft (131.1 m) long with a longest span of 135 ft (41.1 m) and a deck 80 ft wide.

Who owns 14th Street over Interstate 980?

It is owned by the State Highway Agency.