US Bridges

Tasman DR & Lrt over UP RR AMTRAK Lafayette

Good

Santa Clara County, California · Tasman DR @ Lafayette · Structure no. 37C0213

Built
1976
49 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
311 ft
3 main spans
Daily traffic
10,500
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tasman DR & Lrt over UP RR AMTRAK Lafayette is a concrete continuous box beam or girders - multiple carrying Tasman DR & Lrt over UP RR AMTRAK Lafayette in Santa Clara County, California. It was built in 1976, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,500 vehicles a day, roughly 3% of them trucks, projected to reach 19,576 by 2043. The structure is 311 ft (94.8 m) long and 108 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTasman DR & Lrt
CrossesUP RR AMTRAK Lafayette
LocationTasman DR @ Lafayette
RouteCity Street 0
Coordinates37.40604, -121.96716
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.1 US tons
Inventory rating57.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length311 ft (94.8 m)
Longest span103 ft (31.4 m)
Deck width108 ft (32.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2008)
Projected traffic19,576 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesHighway and railroad
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Tasman DR & Lrt over UP RR AMTRAK Lafayette built?

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

What condition is Tasman DR & Lrt over UP RR AMTRAK Lafayette in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Tasman DR & Lrt over UP RR AMTRAK Lafayette carry?

About 10,500 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Tasman DR & Lrt over UP RR AMTRAK Lafayette?

The structure is 311 ft (94.8 m) long with a longest span of 103 ft (31.4 m) and a deck 108 ft wide.

Who owns Tasman DR & Lrt over UP RR AMTRAK Lafayette?

It is owned by the City or Municipal Highway Agency.