US Bridges

Patterson Ave over UP RR & AMTRAK

Good

Santa Barbara County, California · S of U.S. HWY 101 · Structure no. 51C0155

Built
1992
33 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
134 ft
1 main span
Daily traffic
26,359
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Patterson Ave over UP RR & AMTRAK is a prestressed concrete box beam or girders - multiple carrying Patterson Ave over UP RR & AMTRAK in Santa Barbara County, California. It was built in 1992, so it is 33 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 26,359 vehicles a day, roughly 5% of them trucks, projected to reach 28,349 by 2046. The structure is 134 ft (40.8 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPatterson Ave
CrossesUP RR & AMTRAK
LocationS of U.S. HWY 101
RouteCity Street 0
CountySanta Barbara County
StateCalifornia
Coordinates34.44084, -119.80844
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length134 ft (40.8 m)
Longest span129 ft (39.3 m)
Deck width103 ft (31.4 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,359 (2008)
Projected traffic28,349 by 2046
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Patterson Ave over UP RR & AMTRAK built?

It was built in 1992, making it 33 years old in 2025.

What condition is Patterson Ave 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 Patterson Ave over UP RR & AMTRAK carry?

About 26,359 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Patterson Ave over UP RR & AMTRAK?

The structure is 134 ft (40.8 m) long with a longest span of 129 ft (39.3 m) and a deck 103 ft wide.

Who owns Patterson Ave over UP RR & AMTRAK?

It is owned by the City or Municipal Highway Agency.