US Bridges

State Route 23 over B Street Drainage Cha

Good

Ventura County, California · 07-VEN-023-R23.50-FIL · Structure no. 52 0427Y

Built
1995
30 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
48 ft
2 main spans
Daily traffic
7,550
2022 count
Owner
State
State Highway Agency

About this bridge

State Route 23 over B Street Drainage Cha is a concrete continuous slab carrying State Route 23 over B Street Drainage Cha in Ventura County, California. It was built in 1995, so it is 30 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,550 vehicles a day, roughly 2% of them trucks, projected to reach 14,402 by 2041. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesState Route 23
CrossesB Street Drainage Cha
Location07-VEN-023-R23.50-FIL
RouteState Highway 23
Coordinates34.38603, -118.9157
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span23 ft (6.9 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,550 (2022)
Projected traffic14,402 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 23 over B Street Drainage Cha built?

It was built in 1995, making it 30 years old in 2025.

What condition is State Route 23 over B Street Drainage Cha in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does State Route 23 over B Street Drainage Cha carry?

About 7,550 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is State Route 23 over B Street Drainage Cha?

The structure is 48 ft (14.6 m) long with a longest span of 23 ft (6.9 m) and a deck 28 ft wide.

Who owns State Route 23 over B Street Drainage Cha?

It is owned by the State Highway Agency.