US Bridges

Mission ST over Mission Creek

Good

Santa Barbara County, California · West of Castillo ST · Structure no. 51C0151

Built
1963
62 years old, rebuilt 1988
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
18,600
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mission ST over Mission Creek is a concrete tee beam carrying Mission ST over Mission Creek in Santa Barbara County, California. It was built in 1963 and reconstructed in 1988, so it is 62 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 18,600 vehicles a day, roughly 5% of them trucks, projected to reach 28,383 by 2040. The structure is 32 ft (9.7 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMission ST
CrossesMission Creek
LocationWest of Castillo ST
RouteCity Street 0
CountySanta Barbara County
StateCalifornia
Coordinates34.42588, -119.71971
Functional classUrban Minor 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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span30 ft (9.1 m)
Deck width72 ft (22 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,600 (2010)
Projected traffic28,383 by 2040
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Mission ST over Mission Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1988.

What condition is Mission ST over Mission 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 2023.

How much traffic does Mission ST over Mission Creek carry?

About 18,600 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Mission ST over Mission Creek?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9.1 m) and a deck 72 ft wide.

Who owns Mission ST over Mission Creek?

It is owned by the City or Municipal Highway Agency.