US Bridges

Stowell RD over US Highway 101

Fair

Santa Barbara County, California · 05-SB-101-87.60 · Structure no. 51 0199

Built
2001
24 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
191 ft
2 main spans
Daily traffic
3,210
2010 count
Owner
State
State Highway Agency

About this bridge

Stowell RD over US Highway 101 is a prestressed concrete continuous box beam or girders - multiple carrying Stowell RD over US Highway 101 in Santa Barbara County, California. It was built in 2001, so it is 24 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 3,210 vehicles a day, roughly 3% of them trucks, projected to reach 5,118 by 2042. The structure is 191 ft (58.3 m) long and 81 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStowell RD
CrossesUS Highway 101
Location05-SB-101-87.60
RouteU.S. Route 101
Coordinates34.93824, -120.41809
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length191 ft (58.3 m)
Longest span100 ft (30.6 m)
Deck width81 ft (24.8 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,210 (2010)
Projected traffic5,118 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stowell RD over US Highway 101 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Stowell RD over US Highway 101 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 December 2024.

How much traffic does Stowell RD over US Highway 101 carry?

About 3,210 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Stowell RD over US Highway 101?

The structure is 191 ft (58.3 m) long with a longest span of 100 ft (30.6 m) and a deck 81 ft wide.

Who owns Stowell RD over US Highway 101?

It is owned by the State Highway Agency.