US Bridges

State Route 23 over Tierra Rejada Road

Fair

Ventura County, California · 07-VEN-023-R10.16-MRPK · Structure no. 52 0319L

Built
1970
55 years old, rebuilt 2008
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
176 ft
2 main spans
Daily traffic
60,000
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 23 over Tierra Rejada Road is a concrete continuous box beam or girders - multiple carrying State Route 23 over Tierra Rejada Road in Ventura County, California. It was built in 1970 and reconstructed in 2008, 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 60,000 vehicles a day, roughly 13% of them trucks, projected to reach 97,830 by 2041. The structure is 176 ft (53.6 m) long and 63 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 23
CrossesTierra Rejada Road
Location07-VEN-023-R10.16-MRPK
RouteState Highway 23
Coordinates34.26649, -118.85113
Functional classRural Principal Arterial - Other

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span91 ft (27.7 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,000 (2015)
Projected traffic97,830 by 2041
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 State Route 23 over Tierra Rejada Road built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2008.

What condition is State Route 23 over Tierra Rejada Road 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 May 2023.

How much traffic does State Route 23 over Tierra Rejada Road carry?

About 60,000 vehicles per day (2015 count), of which roughly 13% are trucks.

How long is State Route 23 over Tierra Rejada Road?

The structure is 176 ft (53.6 m) long with a longest span of 91 ft (27.7 m) and a deck 63 ft wide.

Who owns State Route 23 over Tierra Rejada Road?

It is owned by the State Highway Agency.