US Bridges

Mission Canyon RD over Mission Creek

Fair

Santa Barbara County, California · 0.15 MI N Alameda Pdre SE · Structure no. 51C0051

Built
1891
134 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Masonry
Length
24 ft
1 main span
Daily traffic
10,600
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mission Canyon RD over Mission Creek is a masonry arch - deck carrying Mission Canyon RD over Mission Creek in Santa Barbara County, California. It was built in 1891, so it is 134 years old, older 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 10,600 vehicles a day, roughly 1% of them trucks, projected to reach 6,994 by 2043. The structure is 24 ft (7.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMission Canyon RD
CrossesMission Creek
Location0.15 MI N Alameda Pdre SE
RouteCity Street 0
Coordinates34.44051, -119.71267
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2011)
Projected traffic6,994 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mission Canyon RD over Mission Creek built?

It was built in 1891, making it 134 years old in 2025.

What condition is Mission Canyon RD 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 March 2023.

How much traffic does Mission Canyon RD over Mission Creek carry?

About 10,600 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Mission Canyon RD over Mission Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.

Who owns Mission Canyon RD over Mission Creek?

It is owned by the City or Municipal Highway Agency.