US Bridges

Chapala Street over Mission Creek

Fair

Santa Barbara County, California · At West Yanonali Street · Structure no. 51C0368

Built
2013
12 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
60 ft
1 main span
Daily traffic
1,580
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chapala Street over Mission Creek is a concrete slab carrying Chapala Street over Mission Creek in Santa Barbara County, California. It was built in 2013, so it is 12 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,580 vehicles a day, roughly 1% of them trucks, projected to reach 4,089 by 2042. The structure is 60 ft (18.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChapala Street
CrossesMission Creek
LocationAt West Yanonali Street
RouteCity Street 0
Coordinates34.41281, -119.69257
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.2 m)
Longest span58 ft (17.6 m)
Deck width53 ft (16.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,580 (2010)
Projected traffic4,089 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Chapala Street over Mission Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Chapala Street over Mission Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Chapala Street over Mission Creek carry?

About 1,580 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Chapala Street over Mission Creek?

The structure is 60 ft (18.2 m) long with a longest span of 58 ft (17.6 m) and a deck 53 ft wide.

Who owns Chapala Street over Mission Creek?

It is owned by the City or Municipal Highway Agency.