US Bridges

Interstate 880 SB over UP RR BNSF RY AMTRAK Por

Fair

Alameda County, California · 04-ALA-880-R34.50L-OAK · Structure no. 33 0611L

Built
1998
27 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
6,368 ft
51 main spans
Daily traffic
54,500
2000 count
Owner
State
State Highway Agency

About this bridge

Interstate 880 SB over UP RR BNSF RY AMTRAK Por is a steel continuous stringer/multi-beam or girder carrying Interstate 880 SB over UP RR BNSF RY AMTRAK Por 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 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 54,500 vehicles a day, roughly 6% of them trucks, projected to reach 79,892 by 2043. The structure is 6,368 ft (1,941 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesInterstate 880 SB
CrossesUP RR BNSF RY AMTRAK Por
Location04-ALA-880-R34.50L-OAK
RouteInterstate 880
CountyAlameda County
StateCalifornia
Coordinates37.81571, -122.29945
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans51
Design loadHS 20 + Mod
Structure length6,368 ft (1,941 m)
Longest span236 ft (71.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic54,500 (2000)
Projected traffic79,892 by 2043
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 880 SB over UP RR BNSF RY AMTRAK Por built?

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

What condition is Interstate 880 SB over UP RR BNSF RY AMTRAK Por 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 March 2023.

How much traffic does Interstate 880 SB over UP RR BNSF RY AMTRAK Por carry?

About 54,500 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is Interstate 880 SB over UP RR BNSF RY AMTRAK Por?

The structure is 6,368 ft (1,941 m) long with a longest span of 236 ft (71.9 m) and a deck 35 ft wide.

Who owns Interstate 880 SB over UP RR BNSF RY AMTRAK Por?

It is owned by the State Highway Agency.