US Bridges

E Mason Street over Sycamore Canyon Creek

Fair

Santa Barbara County, California · 0.6 MI N Jct. W/ Rte. 101 · Structure no. 51C0345

Built
1946
79 years old
Condition
Fair
inspected February 2024
Type
Arch - Deck
Steel
Length
26 ft
1 main span
Daily traffic
6,000
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Mason Street over Sycamore Canyon Creek is a steel arch - deck carrying E Mason Street over Sycamore Canyon Creek in Santa Barbara County, California. It was built in 1946, so it is 79 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 6,000 vehicles a day, roughly 4% of them trucks, projected to reach 9,689 by 2046. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE Mason Street
CrossesSycamore Canyon Creek
Location0.6 MI N Jct. W/ Rte. 101
RouteCity Street 0
Coordinates34.42661, -119.6758
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
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 10
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2016)
Projected traffic9,689 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was E Mason Street over Sycamore Canyon Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is E Mason Street over Sycamore Canyon 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 E Mason Street over Sycamore Canyon Creek carry?

About 6,000 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is E Mason Street over Sycamore Canyon Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns E Mason Street over Sycamore Canyon Creek?

It is owned by the City or Municipal Highway Agency.