US Bridges

Old Lewis Road over Calleguas Creek

Fair

Ventura County, California · 0.1 MI S/O Lewis Rd. · Structure no. 52C0092

Built
1942
83 years old, rebuilt 1961
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
253 ft
5 main spans
Daily traffic
6,700
2022 count
Owner
County
County Highway Agency

About this bridge

Old Lewis Road over Calleguas Creek is a concrete continuous tee beam carrying Old Lewis Road over Calleguas Creek in Ventura County, California. It was built in 1942 and reconstructed in 1961, so it is 83 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 6,700 vehicles a day, roughly 2% of them trucks, projected to reach 8,299 by 2046. The structure is 253 ft (77.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesOld Lewis Road
CrossesCalleguas Creek
Location0.1 MI S/O Lewis Rd.
RouteCounty Highway 0
CountyVentura County
StateCalifornia
Coordinates34.17937, -119.04446
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadH 15
Structure length253 ft (77.1 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2022)
Projected traffic8,299 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Lewis Road over Calleguas Creek built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1961.

What condition is Old Lewis Road 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 Old Lewis Road over Calleguas Creek carry?

About 6,700 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Old Lewis Road over Calleguas Creek?

The structure is 253 ft (77.1 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns Old Lewis Road over Calleguas Creek?

It is owned by the County Highway Agency.