US Bridges

University Drive over Calleguas Creek

Fair

Ventura County, California · At Lewis RD · Structure no. 52C0287

Built
2007
18 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
276 ft
3 main spans
Daily traffic
800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

University Drive over Calleguas Creek is a concrete continuous box beam or girders - multiple carrying University Drive over Calleguas Creek in Ventura County, California. It was built in 2007, so it is 18 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. Its operating status is: new structure not yet open to traffic.

It carries about 800 vehicles a day, roughly 1% of them trucks, projected to reach 1,020 by 2046. The structure is 276 ft (84 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUniversity Drive
CrossesCalleguas Creek
LocationAt Lewis RD
RouteCounty Highway 0
Coordinates34.17101, -119.05394
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length276 ft (84 m)
Longest span102 ft (31 m)
Deck width79 ft (24.2 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic1,020 by 2046
Trucks1%
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 byCounty 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 University Drive over Calleguas Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is University Drive over Calleguas 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 August 2024.

How much traffic does University Drive over Calleguas Creek carry?

About 800 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is University Drive over Calleguas Creek?

The structure is 276 ft (84 m) long with a longest span of 102 ft (31 m) and a deck 79 ft wide.

Who owns University Drive over Calleguas Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.