US Bridges

Montague Expwy over UP RR Lafayette Bassett

Fair

Santa Clara County, California · 1.2 Miles W/O N. First · Structure no. 37C0201

Built
1962
63 years old, rebuilt 2006
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
293 ft
5 main spans
Daily traffic
52,620
2014 count
Owner
County
County Highway Agency

About this bridge

Montague Expwy over UP RR Lafayette Bassett is a steel stringer/multi-beam or girder carrying Montague Expwy over UP RR Lafayette Bassett in Santa Clara County, California. It was built in 1962 and reconstructed in 2006, so it is 63 years old, older 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 6 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 52,620 vehicles a day, roughly 5% of them trucks, projected to reach 62,237 by 2042. The structure is 293 ft (89.2 m) long and 119 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMontague Expwy
CrossesUP RR Lafayette Bassett
Location1.2 Miles W/O N. First
RouteCounty Highway 0
Coordinates37.389, -121.95553
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length293 ft (89.2 m)
Longest span87 ft (26.5 m)
Deck width119 ft (36.2 m)
Roadway width109 ft (33.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,620 (2014)
Projected traffic62,237 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Montague Expwy over UP RR Lafayette Bassett built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2006.

What condition is Montague Expwy over UP RR Lafayette Bassett 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 October 2024.

How much traffic does Montague Expwy over UP RR Lafayette Bassett carry?

About 52,620 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Montague Expwy over UP RR Lafayette Bassett?

The structure is 293 ft (89.2 m) long with a longest span of 87 ft (26.5 m) and a deck 119 ft wide.

Who owns Montague Expwy over UP RR Lafayette Bassett?

It is owned by the County Highway Agency.