US Bridges

Tasman DR & Lrt over San Tomas Aquino Creek

Fair

Santa Clara County, California · W of Lafyette ST · Structure no. 37C0252

Built
1976
49 years old, rebuilt 1987
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
10,500
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tasman DR & Lrt over San Tomas Aquino Creek is a concrete continuous slab carrying Tasman DR & Lrt over San Tomas Aquino Creek in Santa Clara County, California. It was built in 1976 and reconstructed in 1987, so it is 49 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 10,500 vehicles a day, roughly 1% of them trucks, projected to reach 17,045 by 2043. The structure is 122 ft (37.2 m) long and 104 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTasman DR & Lrt
CrossesSan Tomas Aquino Creek
LocationW of Lafyette ST
RouteCity Street 0
Coordinates37.40371, -121.97259
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating55.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width104 ft (31.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2008)
Projected traffic17,045 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tasman DR & Lrt over San Tomas Aquino Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1987.

What condition is Tasman DR & Lrt over San Tomas Aquino Creek 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 June 2023.

How much traffic does Tasman DR & Lrt over San Tomas Aquino Creek carry?

About 10,500 vehicles per day (2008 count), of which roughly 1% are trucks.

How long is Tasman DR & Lrt over San Tomas Aquino Creek?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 104 ft wide.

Who owns Tasman DR & Lrt over San Tomas Aquino Creek?

It is owned by the City or Municipal Highway Agency.