US Bridges

W San Carlos ST over Guadalupe River

Good

Santa Clara County, California · Bet Woz & Almaden · Structure no. 37C0722

Built
1930
95 years old, rebuilt 1957
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
107 ft
4 main spans
Daily traffic
15,000
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

W San Carlos ST over Guadalupe River is a concrete continuous tee beam carrying W San Carlos ST over Guadalupe River in Santa Clara County, California. It was built in 1930 and reconstructed in 1957, so it is 95 years old, older 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 15,000 vehicles a day, roughly 3% of them trucks, projected to reach 26,539 by 2042. The structure is 107 ft (32.6 m) long and 95 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW San Carlos ST
CrossesGuadalupe River
LocationBet Woz & Almaden
RouteCity Street 0
Coordinates37.32873, -121.89268
Functional classUrban Other Principal 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length107 ft (32.6 m)
Longest span48 ft (14.6 m)
Deck width95 ft (29.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2009)
Projected traffic26,539 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 W San Carlos ST over Guadalupe River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1957.

What condition is W San Carlos ST over Guadalupe River 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 April 2024.

How much traffic does W San Carlos ST over Guadalupe River carry?

About 15,000 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is W San Carlos ST over Guadalupe River?

The structure is 107 ft (32.6 m) long with a longest span of 48 ft (14.6 m) and a deck 95 ft wide.

Who owns W San Carlos ST over Guadalupe River?

It is owned by the City or Municipal Highway Agency.