US Bridges

US Highway 101 NB over UP RR AMTRAK & Lemon

Fair

Ventura County, California · 07-VEN-101-27.25-VEN · Structure no. 52 0020R

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
389 ft
5 main spans
Daily traffic
64,500
2018 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 NB over UP RR AMTRAK & Lemon is a concrete continuous box beam or girders - multiple carrying US Highway 101 NB over UP RR AMTRAK & Lemon in Ventura County, California. It was built in 1961, so it is 64 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 64,500 vehicles a day, roughly 8% of them trucks, projected to reach 96,105 by 2042. The structure is 389 ft (118.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Highway 101 NB
CrossesUP RR AMTRAK & Lemon
Location07-VEN-101-27.25-VEN
RouteU.S. Route 101
Coordinates34.25983, -119.25034
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating48.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length389 ft (118.5 m)
Longest span93 ft (28.4 m)
Deck width51 ft (15.5 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,500 (2018)
Projected traffic96,105 by 2042
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 US Highway 101 NB over UP RR AMTRAK & Lemon built?

It was built in 1961, making it 64 years old in 2025.

What condition is US Highway 101 NB over UP RR AMTRAK & Lemon 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 July 2024.

How much traffic does US Highway 101 NB over UP RR AMTRAK & Lemon carry?

About 64,500 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is US Highway 101 NB over UP RR AMTRAK & Lemon?

The structure is 389 ft (118.5 m) long with a longest span of 93 ft (28.4 m) and a deck 51 ft wide.

Who owns US Highway 101 NB over UP RR AMTRAK & Lemon?

It is owned by the State Highway Agency.