US Bridges

First ST Oc over Route 118

Fair

Ventura County, California · 07-VEN-118-R23.81-SIMV · Structure no. 52 0329

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
266 ft
2 main spans
Daily traffic
15,000
2019 count
Owner
State
State Highway Agency

About this bridge

First ST Oc over Route 118 is a prestressed concrete continuous box beam or girders - multiple carrying First ST Oc over Route 118 in Ventura County, California. It was built in 1970, so it is 55 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 15,000 vehicles a day, roughly 2% of them trucks, projected to reach 10,408 by 2047. The structure is 266 ft (81 m) long and 98 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFirst ST Oc
CrossesRoute 118
Location07-VEN-118-R23.81-SIMV
RouteCity Street 0N206
Coordinates34.28267, -118.77902
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
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.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating15.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length266 ft (81 m)
Longest span145 ft (44.2 m)
Deck width98 ft (29.9 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2019)
Projected traffic10,408 by 2047
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was First ST Oc over Route 118 built?

It was built in 1970, making it 55 years old in 2025.

What condition is First ST Oc over Route 118 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 January 2025.

How much traffic does First ST Oc over Route 118 carry?

About 15,000 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is First ST Oc over Route 118?

The structure is 266 ft (81 m) long with a longest span of 145 ft (44.2 m) and a deck 98 ft wide.

Who owns First ST Oc over Route 118?

It is owned by the State Highway Agency.