US Bridges

Main ST over Dune Creek

Fair

Ventura County, California · 0.7 MI W of Ventura Ave · Structure no. 52C0062

Built
1932
93 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
6,853
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST over Dune Creek is a concrete tee beam carrying Main ST over Dune Creek in Ventura County, California. It was built in 1932, so it is 93 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 6,853 vehicles a day, roughly 3% of them trucks, projected to reach 7,332 by 2040. The structure is 28 ft (8.5 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain ST
CrossesDune Creek
Location0.7 MI W of Ventura Ave
RouteCity Street 0
Coordinates34.28232, -119.31269
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width55 ft (16.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,853 (2019)
Projected traffic7,332 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Main ST over Dune Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Main ST over Dune 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 2023.

How much traffic does Main ST over Dune Creek carry?

About 6,853 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Main ST over Dune Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 55 ft wide.

Who owns Main ST over Dune Creek?

It is owned by the City or Municipal Highway Agency.