US Bridges

98th Ave over Interstate 880

Fair

Alameda County, California · 04-ALA-880-24.74-OAK · Structure no. 33 0110

Built
1998
27 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
305 ft
2 main spans
Daily traffic
23,000
2016 count
Owner
State
State Highway Agency

About this bridge

98th Ave over Interstate 880 is a prestressed concrete continuous box beam or girders - multiple carrying 98th Ave over Interstate 880 in Alameda County, California. It was built in 1998, so it is 27 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 23,000 vehicles a day, roughly 1% of them trucks, projected to reach 17,157 by 2046. The structure is 305 ft (93 m) long and 116 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries98th Ave
CrossesInterstate 880
Location04-ALA-880-24.74-OAK
RouteCity Street 0
Coordinates37.73136, -122.18889
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
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 spans2
Design loadHS 20 + Mod
Structure length305 ft (93 m)
Longest span157 ft (47.8 m)
Deck width116 ft (35.5 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2016)
Projected traffic17,157 by 2046
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 98th Ave over Interstate 880 built?

It was built in 1998, making it 27 years old in 2025.

What condition is 98th Ave over Interstate 880 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 98th Ave over Interstate 880 carry?

About 23,000 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is 98th Ave over Interstate 880?

The structure is 305 ft (93 m) long with a longest span of 157 ft (47.8 m) and a deck 116 ft wide.

Who owns 98th Ave over Interstate 880?

It is owned by the State Highway Agency.