US Bridges

Tasman Drive WB over Interstate 880

Fair

Santa Clara County, California · 04-SCL-880-7.70-MPS · Structure no. 37 0426L

Built
1995
30 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
270 ft
3 main spans
Daily traffic
6,130
2019 count
Owner
State
State Highway Agency

About this bridge

Tasman Drive WB over Interstate 880 is a prestressed concrete continuous box beam or girders - multiple carrying Tasman Drive WB over Interstate 880 in Santa Clara County, California. It was built in 1995, so it is 30 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 6,130 vehicles a day, roughly 2% of them trucks, projected to reach 8,522 by 2043. The structure is 270 ft (82.3 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTasman Drive WB
CrossesInterstate 880
Location04-SCL-880-7.70-MPS
RouteCity Street 0
Coordinates37.41551, -121.91336
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 spans3
Design loadHS 20 + Mod
Structure length270 ft (82.3 m)
Longest span100 ft (30.5 m)
Deck width66 ft (20 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,130 (2019)
Projected traffic8,522 by 2043
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Tasman Drive WB over Interstate 880 built?

It was built in 1995, making it 30 years old in 2025.

What condition is Tasman Drive WB 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 March 2023.

How much traffic does Tasman Drive WB over Interstate 880 carry?

About 6,130 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Tasman Drive WB over Interstate 880?

The structure is 270 ft (82.3 m) long with a longest span of 100 ft (30.5 m) and a deck 66 ft wide.

Who owns Tasman Drive WB over Interstate 880?

It is owned by the State Highway Agency.