US Bridges

Refugio RD-N101 on over Canada Del Refugio

Fair

Santa Barbara County, California · 05-SB-101-R36.65 · Structure no. 51 0030S

Built
1974
51 years old
Condition
Fair
inspected September 2021
Type
Box Beam or Girders - Multiple
Concrete
Length
99 ft
1 main span
Daily traffic
250
2010 count
Owner
State
State Highway Agency

About this bridge

Refugio RD-N101 on over Canada Del Refugio is a concrete box beam or girders - multiple carrying Refugio RD-N101 on over Canada Del Refugio in Santa Barbara County, California. It was built in 1974, so it is 51 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 332 by 2043. The structure is 99 ft (30.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRefugio RD-N101 on
CrossesCanada Del Refugio
Location05-SB-101-R36.65
RouteU.S. Route 101
Coordinates34.46622, -120.06929
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating88.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length99 ft (30.2 m)
Longest span97 ft (29.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2010)
Projected traffic332 by 2043
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Refugio RD-N101 on over Canada Del Refugio built?

It was built in 1974, making it 51 years old in 2025.

What condition is Refugio RD-N101 on over Canada Del Refugio 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 September 2021.

How much traffic does Refugio RD-N101 on over Canada Del Refugio carry?

About 250 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Refugio RD-N101 on over Canada Del Refugio?

The structure is 99 ft (30.2 m) long with a longest span of 97 ft (29.6 m) and a deck 26 ft wide.

Who owns Refugio RD-N101 on over Canada Del Refugio?

It is owned by the State Highway Agency.