US Bridges

Turnpike Road over UP RR & AMTRAK

Good

Santa Barbara County, California · S SR 101 · Structure no. 51C0154

Built
1961
64 years old, rebuilt 1975
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
1 main span
Daily traffic
29,187
2009 count
Owner
County
County Highway Agency

About this bridge

Turnpike Road over UP RR & AMTRAK is a prestressed concrete stringer/multi-beam or girder carrying Turnpike Road over UP RR & AMTRAK in Santa Barbara County, California. It was built in 1961 and reconstructed in 1975, 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 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 29,187 vehicles a day, roughly 5% of them trucks, projected to reach 47,028 by 2046. The structure is 164 ft (50 m) long and 96 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesTurnpike Road
CrossesUP RR & AMTRAK
LocationS SR 101
RouteCounty Highway 0
CountySanta Barbara County
StateCalifornia
Coordinates34.44136, -119.78919
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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length164 ft (50 m)
Longest span68 ft (20.7 m)
Deck width96 ft (29.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,187 (2009)
Projected traffic47,028 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Turnpike Road over UP RR & AMTRAK built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1975.

What condition is Turnpike Road over UP RR & AMTRAK 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 August 2024.

How much traffic does Turnpike Road over UP RR & AMTRAK carry?

About 29,187 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Turnpike Road over UP RR & AMTRAK?

The structure is 164 ft (50 m) long with a longest span of 68 ft (20.7 m) and a deck 96 ft wide.

Who owns Turnpike Road over UP RR & AMTRAK?

It is owned by the County Highway Agency.