US Bridges

Hollister Ave over Maria Ygnacio Creek

Good

Santa Barbara County, California · 0.12 MI E Patterson Ave · Structure no. 51C0026

Built
1964
61 years old, rebuilt 1981
Condition
Good
inspected March 2021
Type
Slab
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
3,239
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hollister Ave over Maria Ygnacio Creek is a prestressed concrete slab carrying Hollister Ave over Maria Ygnacio Creek in Santa Barbara County, California. It was built in 1964 and reconstructed in 1981, so it is 61 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 3,239 vehicles a day, roughly 5% of them trucks, projected to reach 13,261 by 2043. The structure is 64 ft (19.5 m) long and 104 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHollister Ave
CrossesMaria Ygnacio Creek
Location0.12 MI E Patterson Ave
RouteCity Street 0
Coordinates34.43481, -119.80717
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span63 ft (19.2 m)
Deck width104 ft (31.7 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,239 (2008)
Projected traffic13,261 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hollister Ave over Maria Ygnacio Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1981.

What condition is Hollister Ave over Maria Ygnacio Creek 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 March 2021.

How much traffic does Hollister Ave over Maria Ygnacio Creek carry?

About 3,239 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Hollister Ave over Maria Ygnacio Creek?

The structure is 64 ft (19.5 m) long with a longest span of 63 ft (19.2 m) and a deck 104 ft wide.

Who owns Hollister Ave over Maria Ygnacio Creek?

It is owned by the City or Municipal Highway Agency.