US Bridges

US Highway 101 SB over UP RR Spur

Good

Ventura County, California · 07-VEN-101-R23.98-VEN · Structure no. 52 0021L

Built
1968
57 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
180 ft
3 main spans
Daily traffic
68,500
2018 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 SB over UP RR Spur is a concrete continuous box beam or girders - multiple carrying US Highway 101 SB over UP RR Spur in Ventura County, California. It was built in 1968, so it is 57 years old, older 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 68,500 vehicles a day, roughly 8% of them trucks, projected to reach 102,065 by 2042. The structure is 180 ft (54.8 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Highway 101 SB
CrossesUP RR Spur
Location07-VEN-101-R23.98-VEN
RouteU.S. Route 101
Coordinates34.24739, -119.20104
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating37.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.8 m)
Longest span71 ft (21.6 m)
Deck width51 ft (15.5 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,500 (2018)
Projected traffic102,065 by 2042
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 SB over UP RR Spur built?

It was built in 1968, making it 57 years old in 2025.

What condition is US Highway 101 SB over UP RR Spur 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 July 2024.

How much traffic does US Highway 101 SB over UP RR Spur carry?

About 68,500 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is US Highway 101 SB over UP RR Spur?

The structure is 180 ft (54.8 m) long with a longest span of 71 ft (21.6 m) and a deck 51 ft wide.

Who owns US Highway 101 SB over UP RR Spur?

It is owned by the State Highway Agency.