US Bridges

America PKWY-EB237 over UP RR AMTRAK Lafayette

Fair

Santa Clara County, California · 04-SCL-237-R6.10-SJS · Structure no. 37 0470S

Built
1994
31 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
549 ft
8 main spans
Daily traffic
10,900
2005 count
Owner
State
State Highway Agency

About this bridge

America PKWY-EB237 over UP RR AMTRAK Lafayette is a prestressed concrete continuous box beam or girders - multiple carrying America PKWY-EB237 over UP RR AMTRAK Lafayette in Santa Clara County, California. It was built in 1994, so it is 31 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 10,900 vehicles a day, roughly 5% of them trucks, projected to reach 17,588 by 2042. The structure is 549 ft (167.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAmerica PKWY-EB237
CrossesUP RR AMTRAK Lafayette
Location04-SCL-237-R6.10-SJS
RouteState Highway 237
CountySanta Clara County
StateCalifornia
Coordinates37.41666, -121.97445
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length549 ft (167.3 m)
Longest span87 ft (26.5 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,900 (2005)
Projected traffic17,588 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 America PKWY-EB237 over UP RR AMTRAK Lafayette built?

It was built in 1994, making it 31 years old in 2025.

What condition is America PKWY-EB237 over UP RR AMTRAK Lafayette 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 April 2024.

How much traffic does America PKWY-EB237 over UP RR AMTRAK Lafayette carry?

About 10,900 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is America PKWY-EB237 over UP RR AMTRAK Lafayette?

The structure is 549 ft (167.3 m) long with a longest span of 87 ft (26.5 m) and a deck 31 ft wide.

Who owns America PKWY-EB237 over UP RR AMTRAK Lafayette?

It is owned by the State Highway Agency.