US Bridges

Magellan Drive over Bradley Channel

Fair

Santa Barbara County, California · 0.2 MI N of E Donovan RD · Structure no. 51C0363

Built
1990
35 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
200
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Magellan Drive over Bradley Channel is a concrete continuous culvert carrying Magellan Drive over Bradley Channel in Santa Barbara County, California. It was built in 1990, so it is 35 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 6 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 306 by 2042. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMagellan Drive
CrossesBradley Channel
Location0.2 MI N of E Donovan RD
RouteCity Street 0
Coordinates34.97053, -120.41768
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2011)
Projected traffic306 by 2042
Trucks1%
Lanes on structure2
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Magellan Drive over Bradley Channel built?

It was built in 1990, making it 35 years old in 2025.

What condition is Magellan Drive over Bradley Channel 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 January 2025.

How much traffic does Magellan Drive over Bradley Channel carry?

About 200 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Magellan Drive over Bradley Channel?

The structure is 25 ft (7.5 m) long with a longest span of 11 ft (3.5 m).

Who owns Magellan Drive over Bradley Channel?

It is owned by the City or Municipal Highway Agency.