US Bridges

Benton ST over Calabazas Creek

Fair

Santa Clara County, California · 0.1 MI E Lawrence Express · Structure no. 37C0243

Built
1960
65 years old, rebuilt 1982
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
9,750
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Benton ST over Calabazas Creek is a concrete continuous culvert carrying Benton ST over Calabazas Creek in Santa Clara County, California. It was built in 1960 and reconstructed in 1982, so it is 65 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 9,750 vehicles a day, roughly 3% of them trucks, projected to reach 16,932 by 2043. The structure is 34 ft (10.5 m) long and 105 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBenton ST
CrossesCalabazas Creek
Location0.1 MI E Lawrence Express
RouteCity Street 0
Coordinates37.34508, -121.99406
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3 (+1 approach)
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span12 ft (3.7 m)
Deck width105 ft (32 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,750 (2008)
Projected traffic16,932 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Benton ST over Calabazas Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1982.

What condition is Benton ST over Calabazas 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 Benton ST over Calabazas Creek carry?

About 9,750 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Benton ST over Calabazas Creek?

The structure is 34 ft (10.5 m) long with a longest span of 12 ft (3.7 m) and a deck 105 ft wide.

Who owns Benton ST over Calabazas Creek?

It is owned by the City or Municipal Highway Agency.