US Bridges

Main Road over District #2 Canal

Fair

Ventura County, California · Nbvc Point Mugu · Structure no. 1CA0141

Built
1948
77 years old, rebuilt 1960
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
90 ft
4 main spans
Daily traffic
200
2013 count
Owner
Federal
Navy / Marines

About this bridge

Main Road over District #2 Canal is a concrete box beam or girders - multiple carrying Main Road over District #2 Canal in Ventura County, California. It was built in 1948 and reconstructed in 1960, so it is 77 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 5 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 250 by 2042. The structure is 90 ft (27.4 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesMain Road
CrossesDistrict #2 Canal
LocationNbvc Point Mugu
RouteFederal Lands Road 0
CountyVentura County
StateCalifornia
Coordinates34.11647, -119.09663
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating27.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 20
Structure length90 ft (27.4 m)
Longest span23 ft (6.9 m)
Deck width52 ft (15.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2013)
Projected traffic250 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$111,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Main Road over District #2 Canal built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1960.

What condition is Main Road over District #2 Canal 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 Main Road over District #2 Canal carry?

About 200 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Main Road over District #2 Canal?

The structure is 90 ft (27.4 m) long with a longest span of 23 ft (6.9 m) and a deck 52 ft wide.

Who owns Main Road over District #2 Canal?

It is owned by the Navy / Marines.