US Bridges

State Route 34 over UP RR AMTRAK Metrolink

Fair

Ventura County, California · 07-VEN-034-R13.27-CMRL · Structure no. 52 0348L

Built
1972
53 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
537 ft
5 main spans
Daily traffic
18,800
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 34 over UP RR AMTRAK Metrolink is a concrete continuous box beam or girders - multiple carrying State Route 34 over UP RR AMTRAK Metrolink in Ventura County, California. It was built in 1972, so it is 53 years old, younger 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 18,800 vehicles a day, roughly 16% of them trucks, projected to reach 24,000 by 2041. The structure is 537 ft (163.6 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesState Route 34
CrossesUP RR AMTRAK Metrolink
Location07-VEN-034-R13.27-CMRL
RouteState Highway 34
CountyVentura County
StateCalifornia
Coordinates34.21243, -119.03626
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating72.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length537 ft (163.6 m)
Longest span128 ft (39 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2020)
Projected traffic24,000 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 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 34 over UP RR AMTRAK Metrolink built?

It was built in 1972, making it 53 years old in 2025.

What condition is State Route 34 over UP RR AMTRAK Metrolink 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 October 2023.

How much traffic does State Route 34 over UP RR AMTRAK Metrolink carry?

About 18,800 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is State Route 34 over UP RR AMTRAK Metrolink?

The structure is 537 ft (163.6 m) long with a longest span of 128 ft (39 m) and a deck 42 ft wide.

Who owns State Route 34 over UP RR AMTRAK Metrolink?

It is owned by the State Highway Agency.